Finding the Fourth Proportional to 5,721,593.27, 7,895,470.95 and 3,143,218.68
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Solution
The fourth proportional to 5,721,593.27, 7,895,470.95 and 3,143,218.68 is: 4,337,461.72
Step by Step Solution
- Step 1: Write the proportion equation
5,721,593.27 : 7,895,470.95 = 3,143,218.68 : x - Step 2: Convert to fraction form
5,721,593.27/7,895,470.95 = 3,143,218.68/x - Step 3: Cross multiply
5,721,593.27x = 7,895,470.95 × 3,143,218.68 - Step 4: Simplify right side
5,721,593.27x = 24,817,191,777,437.35 - Step 5: Solve for x
x = 24,817,191,777,437.35/5,721,593.27 - Step 6: Final answer
x = 4,337,461.72
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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.