Finding the Fourth Proportional to 4,530,561.12, 6,253,491.60 and 2,696,306.40
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Solution
The fourth proportional to 4,530,561.12, 6,253,491.60 and 2,696,306.40 is: 3,721,686.78
Step by Step Solution
- Step 1: Write the proportion equation
4,530,561.12 : 6,253,491.60 = 2,696,306.40 : x - Step 2: Convert to fraction form
4,530,561.12/6,253,491.60 = 2,696,306.40/x - Step 3: Cross multiply
4,530,561.12x = 6,253,491.60 × 2,696,306.40 - Step 4: Simplify right side
4,530,561.12x = 16,861,329,423,426.24 - Step 5: Solve for x
x = 16,861,329,423,426.24/4,530,561.12 - Step 6: Final answer
x = 3,721,686.78
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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.