Finding the Fourth Proportional to 2,947,330.76, 4,420,995.88 and 817,414.84
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Solution
The fourth proportional to 2,947,330.76, 4,420,995.88 and 817,414.84 is: 1,226,122.19
Step by Step Solution
- Step 1: Write the proportion equation
2,947,330.76 : 4,420,995.88 = 817,414.84 : x - Step 2: Convert to fraction form
2,947,330.76/4,420,995.88 = 817,414.84/x - Step 3: Cross multiply
2,947,330.76x = 4,420,995.88 × 817,414.84 - Step 4: Simplify right side
2,947,330.76x = 3,613,787,639,890.86 - Step 5: Solve for x
x = 3,613,787,639,890.86/2,947,330.76 - Step 6: Final answer
x = 1,226,122.19
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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.