Finding the Fourth Proportional to 5,307,576.96, 7,949,695.92 and 4,386,318.48
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Solution
The fourth proportional to 5,307,576.96, 7,949,695.92 and 4,386,318.48 is: 6,569,833.73
Step by Step Solution
- Step 1: Write the proportion equation
5,307,576.96 : 7,949,695.92 = 4,386,318.48 : x - Step 2: Convert to fraction form
5,307,576.96/7,949,695.92 = 4,386,318.48/x - Step 3: Cross multiply
5,307,576.96x = 7,949,695.92 × 4,386,318.48 - Step 4: Simplify right side
5,307,576.96x = 34,869,898,124,276.61 - Step 5: Solve for x
x = 34,869,898,124,276.61/5,307,576.96 - Step 6: Final answer
x = 6,569,833.73
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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.