Finding the Fourth Proportional to 3,516,963.20, 5,275,444.80 and 2,257,251.20
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Solution
The fourth proportional to 3,516,963.20, 5,275,444.80 and 2,257,251.20 is: 3,385,876.80
Step by Step Solution
- Step 1: Write the proportion equation
3,516,963.20 : 5,275,444.80 = 2,257,251.20 : x - Step 2: Convert to fraction form
3,516,963.20/5,275,444.80 = 2,257,251.20/x - Step 3: Cross multiply
3,516,963.20x = 5,275,444.80 × 2,257,251.20 - Step 4: Simplify right side
3,516,963.20x = 11,908,004,105,333.76 - Step 5: Solve for x
x = 11,908,004,105,333.76/3,516,963.20 - Step 6: Final answer
x = 3,385,876.80
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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.