Finding the Fourth Proportional to 2,539,699.18, 3,503,787.20 and 1,451,386.92
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Solution
The fourth proportional to 2,539,699.18, 3,503,787.20 and 1,451,386.92 is: 2,002,343.80
Step by Step Solution
- Step 1: Write the proportion equation
2,539,699.18 : 3,503,787.20 = 1,451,386.92 : x - Step 2: Convert to fraction form
2,539,699.18/3,503,787.20 = 1,451,386.92/x - Step 3: Cross multiply
2,539,699.18x = 3,503,787.20 × 1,451,386.92 - Step 4: Simplify right side
2,539,699.18x = 5,085,350,912,543.42 - Step 5: Solve for x
x = 5,085,350,912,543.42/2,539,699.18 - Step 6: Final answer
x = 2,002,343.80
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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.