Finding the Fourth Proportional to 1,647,028.62, 2,272,877.19 and 921,876.12
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Solution
The fourth proportional to 1,647,028.62, 2,272,877.19 and 921,876.12 is: 1,272,176.56
Step by Step Solution
- Step 1: Write the proportion equation
1,647,028.62 : 2,272,877.19 = 921,876.12 : x - Step 2: Convert to fraction form
1,647,028.62/2,272,877.19 = 921,876.12/x - Step 3: Cross multiply
1,647,028.62x = 2,272,877.19 × 921,876.12 - Step 4: Simplify right side
1,647,028.62x = 2,095,311,205,153.70 - Step 5: Solve for x
x = 2,095,311,205,153.70/1,647,028.62 - Step 6: Final answer
x = 1,272,176.56
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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.