Finding the Fourth Proportional to 1,947,542.24, 2,916,957.24 and 1,125,874.04
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Solution
The fourth proportional to 1,947,542.24, 2,916,957.24 and 1,125,874.04 is: 1,686,292.79
Step by Step Solution
- Step 1: Write the proportion equation
1,947,542.24 : 2,916,957.24 = 1,125,874.04 : x - Step 2: Convert to fraction form
1,947,542.24/2,916,957.24 = 1,125,874.04/x - Step 3: Cross multiply
1,947,542.24x = 2,916,957.24 × 1,125,874.04 - Step 4: Simplify right side
1,947,542.24x = 3,284,126,432,306.05 - Step 5: Solve for x
x = 3,284,126,432,306.05/1,947,542.24 - Step 6: Final answer
x = 1,686,292.79
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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.