Finding the Fourth Proportional to 2,569,171.76, 3,854,617.99 and 840,121.32
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Solution
The fourth proportional to 2,569,171.76, 3,854,617.99 and 840,121.32 is: 1,260,463.32
Step by Step Solution
- Step 1: Write the proportion equation
2,569,171.76 : 3,854,617.99 = 840,121.32 : x - Step 2: Convert to fraction form
2,569,171.76/3,854,617.99 = 840,121.32/x - Step 3: Cross multiply
2,569,171.76x = 3,854,617.99 × 840,121.32 - Step 4: Simplify right side
2,569,171.76x = 3,238,346,753,854.55 - Step 5: Solve for x
x = 3,238,346,753,854.55/2,569,171.76 - Step 6: Final answer
x = 1,260,463.32
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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.