Finding the Fourth Proportional to 4,812,081.14, 7,215,759.75 and 2,380,424.87
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Solution
The fourth proportional to 4,812,081.14, 7,215,759.75 and 2,380,424.87 is: 3,569,468.89
Step by Step Solution
- Step 1: Write the proportion equation
4,812,081.14 : 7,215,759.75 = 2,380,424.87 : x - Step 2: Convert to fraction form
4,812,081.14/7,215,759.75 = 2,380,424.87/x - Step 3: Cross multiply
4,812,081.14x = 7,215,759.75 × 2,380,424.87 - Step 4: Simplify right side
4,812,081.14x = 17,176,573,920,989.97 - Step 5: Solve for x
x = 17,176,573,920,989.97/4,812,081.14 - Step 6: Final answer
x = 3,569,468.89
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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.