Finding the Fourth Proportional to 2,608,366.20, 3,912,549.30 and 811,363.20
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Solution
The fourth proportional to 2,608,366.20, 3,912,549.30 and 811,363.20 is: 1,217,044.80
Step by Step Solution
- Step 1: Write the proportion equation
2,608,366.20 : 3,912,549.30 = 811,363.20 : x - Step 2: Convert to fraction form
2,608,366.20/3,912,549.30 = 811,363.20/x - Step 3: Cross multiply
2,608,366.20x = 3,912,549.30 × 811,363.20 - Step 4: Simplify right side
2,608,366.20x = 3,174,498,520,205.76 - Step 5: Solve for x
x = 3,174,498,520,205.76/2,608,366.20 - Step 6: Final answer
x = 1,217,044.80
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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.