Finding the Fourth Proportional to 3,381,358.09, 4,663,553.32 and 2,972,585.92
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Solution
The fourth proportional to 3,381,358.09, 4,663,553.32 and 2,972,585.92 is: 4,099,776.65
Step by Step Solution
- Step 1: Write the proportion equation
3,381,358.09 : 4,663,553.32 = 2,972,585.92 : x - Step 2: Convert to fraction form
3,381,358.09/4,663,553.32 = 2,972,585.92/x - Step 3: Cross multiply
3,381,358.09x = 4,663,553.32 × 2,972,585.92 - Step 4: Simplify right side
3,381,358.09x = 13,862,812,928,769.79 - Step 5: Solve for x
x = 13,862,812,928,769.79/3,381,358.09 - Step 6: Final answer
x = 4,099,776.65
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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.