Finding the Fourth Proportional to 5,986,646.70, 8,981,136.45 and 2,391,801.90
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Solution
The fourth proportional to 5,986,646.70, 8,981,136.45 and 2,391,801.90 is: 3,588,168.85
Step by Step Solution
- Step 1: Write the proportion equation
5,986,646.70 : 8,981,136.45 = 2,391,801.90 : x - Step 2: Convert to fraction form
5,986,646.70/8,981,136.45 = 2,391,801.90/x - Step 3: Cross multiply
5,986,646.70x = 8,981,136.45 × 2,391,801.90 - Step 4: Simplify right side
5,986,646.70x = 21,481,099,225,269.25 - Step 5: Solve for x
x = 21,481,099,225,269.25/5,986,646.70 - Step 6: Final answer
x = 3,588,168.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.