Finding the Fourth Proportional to 5,757,073.25, 7,941,430.49 and 3,719,882.75
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Solution
The fourth proportional to 5,757,073.25, 7,941,430.49 and 3,719,882.75 is: 5,131,286.15
Step by Step Solution
- Step 1: Write the proportion equation
5,757,073.25 : 7,941,430.49 = 3,719,882.75 : x - Step 2: Convert to fraction form
5,757,073.25/7,941,430.49 = 3,719,882.75/x - Step 3: Cross multiply
5,757,073.25x = 7,941,430.49 × 3,719,882.75 - Step 4: Simplify right side
5,757,073.25x = 29,541,190,231,768.48 - Step 5: Solve for x
x = 29,541,190,231,768.48/5,757,073.25 - Step 6: Final answer
x = 5,131,286.15
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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.