Finding the Fourth Proportional to 5,387,313.97, 7,434,651.22 and 2,940,082.38
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Solution
The fourth proportional to 5,387,313.97, 7,434,651.22 and 2,940,082.38 is: 4,057,399.88
Step by Step Solution
- Step 1: Write the proportion equation
5,387,313.97 : 7,434,651.22 = 2,940,082.38 : x - Step 2: Convert to fraction form
5,387,313.97/7,434,651.22 = 2,940,082.38/x - Step 3: Cross multiply
5,387,313.97x = 7,434,651.22 × 2,940,082.38 - Step 4: Simplify right side
5,387,313.97x = 21,858,487,046,017.30 - Step 5: Solve for x
x = 21,858,487,046,017.30/5,387,313.97 - Step 6: Final answer
x = 4,057,399.88
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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.