Finding the Fourth Proportional to 5,057,849.36, 6,987,691.36 and 4,240,786.16
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Solution
The fourth proportional to 5,057,849.36, 6,987,691.36 and 4,240,786.16 is: 5,858,874.53
Step by Step Solution
- Step 1: Write the proportion equation
5,057,849.36 : 6,987,691.36 = 4,240,786.16 : x - Step 2: Convert to fraction form
5,057,849.36/6,987,691.36 = 4,240,786.16/x - Step 3: Cross multiply
5,057,849.36x = 6,987,691.36 × 4,240,786.16 - Step 4: Simplify right side
5,057,849.36x = 29,633,304,809,839.58 - Step 5: Solve for x
x = 29,633,304,809,839.58/5,057,849.36 - Step 6: Final answer
x = 5,858,874.53
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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.