Finding the Fourth Proportional to 2,427,871.13, 3,350,462.33 and 1,340,143.01
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Solution
The fourth proportional to 2,427,871.13, 3,350,462.33 and 1,340,143.01 is: 1,849,397.45
Step by Step Solution
- Step 1: Write the proportion equation
2,427,871.13 : 3,350,462.33 = 1,340,143.01 : x - Step 2: Convert to fraction form
2,427,871.13/3,350,462.33 = 1,340,143.01/x - Step 3: Cross multiply
2,427,871.13x = 3,350,462.33 × 1,340,143.01 - Step 4: Simplify right side
2,427,871.13x = 4,490,098,665,117.10 - Step 5: Solve for x
x = 4,490,098,665,117.10/2,427,871.13 - Step 6: Final answer
x = 1,849,397.45
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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.