Finding the Fourth Proportional to 1,471,274.76, 2,206,939.92 and 406,345.17
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Solution
The fourth proportional to 1,471,274.76, 2,206,939.92 and 406,345.17 is: 609,525.43
Step by Step Solution
- Step 1: Write the proportion equation
1,471,274.76 : 2,206,939.92 = 406,345.17 : x - Step 2: Convert to fraction form
1,471,274.76/2,206,939.92 = 406,345.17/x - Step 3: Cross multiply
1,471,274.76x = 2,206,939.92 × 406,345.17 - Step 4: Simplify right side
1,471,274.76x = 896,779,376,972.19 - Step 5: Solve for x
x = 896,779,376,972.19/1,471,274.76 - Step 6: Final answer
x = 609,525.43
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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.