Finding the Fourth Proportional to 3,187,805.36, 4,399,132.68 and 1,737,496.31
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Solution
The fourth proportional to 3,187,805.36, 4,399,132.68 and 1,737,496.31 is: 2,397,723.80
Step by Step Solution
- Step 1: Write the proportion equation
3,187,805.36 : 4,399,132.68 = 1,737,496.31 : x - Step 2: Convert to fraction form
3,187,805.36/4,399,132.68 = 1,737,496.31/x - Step 3: Cross multiply
3,187,805.36x = 4,399,132.68 × 1,737,496.31 - Step 4: Simplify right side
3,187,805.36x = 7,643,476,776,704.75 - Step 5: Solve for x
x = 7,643,476,776,704.75/3,187,805.36 - Step 6: Final answer
x = 2,397,723.80
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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.