Finding the Fourth Proportional to 2,193,700.92, 3,027,217.84 and 1,275,956.45
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Solution
The fourth proportional to 2,193,700.92, 3,027,217.84 and 1,275,956.45 is: 1,760,767.88
Step by Step Solution
- Step 1: Write the proportion equation
2,193,700.92 : 3,027,217.84 = 1,275,956.45 : x - Step 2: Convert to fraction form
2,193,700.92/3,027,217.84 = 1,275,956.45/x - Step 3: Cross multiply
2,193,700.92x = 3,027,217.84 × 1,275,956.45 - Step 4: Simplify right side
2,193,700.92x = 3,862,598,113,366.98 - Step 5: Solve for x
x = 3,862,598,113,366.98/2,193,700.92 - Step 6: Final answer
x = 1,760,767.88
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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.