Finding the Fourth Proportional to 1,587,474.16, 2,381,539.29 and 522,580.12
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Solution
The fourth proportional to 1,587,474.16, 2,381,539.29 and 522,580.12 is: 783,978.17
Step by Step Solution
- Step 1: Write the proportion equation
1,587,474.16 : 2,381,539.29 = 522,580.12 : x - Step 2: Convert to fraction form
1,587,474.16/2,381,539.29 = 522,580.12/x - Step 3: Cross multiply
1,587,474.16x = 2,381,539.29 × 522,580.12 - Step 4: Simplify right side
1,587,474.16x = 1,244,545,087,952.91 - Step 5: Solve for x
x = 1,244,545,087,952.91/1,587,474.16 - Step 6: Final answer
x = 783,978.17
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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.