Finding the Fourth Proportional to 2,657,678.97, 3,987,099.87 and 860,744.08
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Solution
The fourth proportional to 2,657,678.97, 3,987,099.87 and 860,744.08 is: 1,291,304.42
Step by Step Solution
- Step 1: Write the proportion equation
2,657,678.97 : 3,987,099.87 = 860,744.08 : x - Step 2: Convert to fraction form
2,657,678.97/3,987,099.87 = 860,744.08/x - Step 3: Cross multiply
2,657,678.97x = 3,987,099.87 × 860,744.08 - Step 4: Simplify right side
2,657,678.97x = 3,431,872,609,471.27 - Step 5: Solve for x
x = 3,431,872,609,471.27/2,657,678.97 - Step 6: Final answer
x = 1,291,304.42
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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.