Finding the Fourth Proportional to 4,876,972.97, 7,315,438.57 and 1,233,737.33
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Solution
The fourth proportional to 4,876,972.97, 7,315,438.57 and 1,233,737.33 is: 1,850,600.70
Step by Step Solution
- Step 1: Write the proportion equation
4,876,972.97 : 7,315,438.57 = 1,233,737.33 : x - Step 2: Convert to fraction form
4,876,972.97/7,315,438.57 = 1,233,737.33/x - Step 3: Cross multiply
4,876,972.97x = 7,315,438.57 × 1,233,737.33 - Step 4: Simplify right side
4,876,972.97x = 9,025,329,609,469.28 - Step 5: Solve for x
x = 9,025,329,609,469.28/4,876,972.97 - Step 6: Final answer
x = 1,850,600.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.