Finding the Fourth Proportional to 5,618,726.46, 7,753,862.97 and 3,040,407.09
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Solution
The fourth proportional to 5,618,726.46, 7,753,862.97 and 3,040,407.09 is: 4,195,772.85
Step by Step Solution
- Step 1: Write the proportion equation
5,618,726.46 : 7,753,862.97 = 3,040,407.09 : x - Step 2: Convert to fraction form
5,618,726.46/7,753,862.97 = 3,040,407.09/x - Step 3: Cross multiply
5,618,726.46x = 7,753,862.97 × 3,040,407.09 - Step 4: Simplify right side
5,618,726.46x = 23,574,899,948,876.46 - Step 5: Solve for x
x = 23,574,899,948,876.46/5,618,726.46 - Step 6: Final answer
x = 4,195,772.85
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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.