Finding the Fourth Proportional to 2,728,639.36, 4,092,956.16 and 931,373.68
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Solution
The fourth proportional to 2,728,639.36, 4,092,956.16 and 931,373.68 is: 1,397,059.54
Step by Step Solution
- Step 1: Write the proportion equation
2,728,639.36 : 4,092,956.16 = 931,373.68 : x - Step 2: Convert to fraction form
2,728,639.36/4,092,956.16 = 931,373.68/x - Step 3: Cross multiply
2,728,639.36x = 4,092,956.16 × 931,373.68 - Step 4: Simplify right side
2,728,639.36x = 3,812,071,640,817.87 - Step 5: Solve for x
x = 3,812,071,640,817.87/2,728,639.36 - Step 6: Final answer
x = 1,397,059.54
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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.