Why are high rankings so important?
If your website is ranking first page in search engine it will pull maximum traffic to that website. Because visitors give most priority to the first page. High ranking in search engine will bring maximum visitors to your site. You need to do proper optimization for the result.
High ranking sites would give you benefit to your business in terms of earning money so it is totally related to your business development.
Google should provide first preference for high page rank only.If your website have good page rank means,more people should visit your website,that could be helpful to improve your traffics range.
Because the higher you rank, the more traffic you stand to get.