Finding the Fourth Proportional to 2,487,516.55, 3,432,732.63 and 1,399,787.50
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Solution
The fourth proportional to 2,487,516.55, 3,432,732.63 and 1,399,787.50 is: 1,931,684.12
Step by Step Solution
- Step 1: Write the proportion equation
2,487,516.55 : 3,432,732.63 = 1,399,787.50 : x - Step 2: Convert to fraction form
2,487,516.55/3,432,732.63 = 1,399,787.50/x - Step 3: Cross multiply
2,487,516.55x = 3,432,732.63 × 1,399,787.50 - Step 4: Simplify right side
2,487,516.55x = 4,805,096,226,316.13 - Step 5: Solve for x
x = 4,805,096,226,316.13/2,487,516.55 - Step 6: Final answer
x = 1,931,684.12
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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.