Finding the Fourth Proportional to 2,672,082.49, 3,687,375.04 and 1,448,361.74
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Solution
The fourth proportional to 2,672,082.49, 3,687,375.04 and 1,448,361.74 is: 1,998,685.65
Step by Step Solution
- Step 1: Write the proportion equation
2,672,082.49 : 3,687,375.04 = 1,448,361.74 : x - Step 2: Convert to fraction form
2,672,082.49/3,687,375.04 = 1,448,361.74/x - Step 3: Cross multiply
2,672,082.49x = 3,687,375.04 × 1,448,361.74 - Step 4: Simplify right side
2,672,082.49x = 5,340,652,926,168.20 - Step 5: Solve for x
x = 5,340,652,926,168.20/2,672,082.49 - Step 6: Final answer
x = 1,998,685.65
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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.