Finding the Fourth Proportional to 2,930,480.20, 4,392,512.70 and 1,036,246.60
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Solution
The fourth proportional to 2,930,480.20, 4,392,512.70 and 1,036,246.60 is: 1,553,235.66
Step by Step Solution
- Step 1: Write the proportion equation
2,930,480.20 : 4,392,512.70 = 1,036,246.60 : x - Step 2: Convert to fraction form
2,930,480.20/4,392,512.70 = 1,036,246.60/x - Step 3: Cross multiply
2,930,480.20x = 4,392,512.70 × 1,036,246.60 - Step 4: Simplify right side
2,930,480.20x = 4,551,726,350,831.82 - Step 5: Solve for x
x = 4,551,726,350,831.82/2,930,480.20 - Step 6: Final answer
x = 1,553,235.66
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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.