Finding the Fourth Proportional to 2,018,251.86, 2,785,862.46 and 1,202,711.28
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Solution
The fourth proportional to 2,018,251.86, 2,785,862.46 and 1,202,711.28 is: 1,660,143.75
Step by Step Solution
- Step 1: Write the proportion equation
2,018,251.86 : 2,785,862.46 = 1,202,711.28 : x - Step 2: Convert to fraction form
2,018,251.86/2,785,862.46 = 1,202,711.28/x - Step 3: Cross multiply
2,018,251.86x = 2,785,862.46 × 1,202,711.28 - Step 4: Simplify right side
2,018,251.86x = 3,350,588,205,170.55 - Step 5: Solve for x
x = 3,350,588,205,170.55/2,018,251.86 - Step 6: Final answer
x = 1,660,143.75
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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.