Finding the Fourth Proportional to 6,167,934.87, 8,512,640.88 and 3,553,938.49
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Solution
The fourth proportional to 6,167,934.87, 8,512,640.88 and 3,553,938.49 is: 4,904,948.37
Step by Step Solution
- Step 1: Write the proportion equation
6,167,934.87 : 8,512,640.88 = 3,553,938.49 : x - Step 2: Convert to fraction form
6,167,934.87/8,512,640.88 = 3,553,938.49/x - Step 3: Cross multiply
6,167,934.87x = 8,512,640.88 × 3,553,938.49 - Step 4: Simplify right side
6,167,934.87x = 30,253,402,057,209.78 - Step 5: Solve for x
x = 30,253,402,057,209.78/6,167,934.87 - Step 6: Final answer
x = 4,904,948.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.