Finding the Fourth Proportional to 2,220,882.17, 3,064,818.42 and 1,202,286.92
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Solution
The fourth proportional to 2,220,882.17, 3,064,818.42 and 1,202,286.92 is: 1,659,156.50
Step by Step Solution
- Step 1: Write the proportion equation
2,220,882.17 : 3,064,818.42 = 1,202,286.92 : x - Step 2: Convert to fraction form
2,220,882.17/3,064,818.42 = 1,202,286.92/x - Step 3: Cross multiply
2,220,882.17x = 3,064,818.42 × 1,202,286.92 - Step 4: Simplify right side
2,220,882.17x = 3,684,791,083,216.97 - Step 5: Solve for x
x = 3,684,791,083,216.97/2,220,882.17 - Step 6: Final answer
x = 1,659,156.50
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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.