Finding the Fourth Proportional to 4,365,919.65, 5,981,331.26 and 4,202,286.15
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Solution
The fourth proportional to 4,365,919.65, 5,981,331.26 and 4,202,286.15 is: 5,757,152.56
Step by Step Solution
- Step 1: Write the proportion equation
4,365,919.65 : 5,981,331.26 = 4,202,286.15 : x - Step 2: Convert to fraction form
4,365,919.65/5,981,331.26 = 4,202,286.15/x - Step 3: Cross multiply
4,365,919.65x = 5,981,331.26 × 4,202,286.15 - Step 4: Simplify right side
4,365,919.65x = 25,135,265,491,448.62 - Step 5: Solve for x
x = 25,135,265,491,448.62/4,365,919.65 - Step 6: Final answer
x = 5,757,152.56
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.