Finding the Fourth Proportional to 2,349,445.75, 3,236,170.61 and 1,659,920.67
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Solution
The fourth proportional to 2,349,445.75, 3,236,170.61 and 1,659,920.67 is: 2,286,405.85
Step by Step Solution
- Step 1: Write the proportion equation
2,349,445.75 : 3,236,170.61 = 1,659,920.67 : x - Step 2: Convert to fraction form
2,349,445.75/3,236,170.61 = 1,659,920.67/x - Step 3: Cross multiply
2,349,445.75x = 3,236,170.61 × 1,659,920.67 - Step 4: Simplify right side
2,349,445.75x = 5,371,786,491,335.31 - Step 5: Solve for x
x = 5,371,786,491,335.31/2,349,445.75 - Step 6: Final answer
x = 2,286,405.85
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1.5x scale
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.