Finding the Fourth Proportional to 2,381,139.11, 3,286,033.09 and 1,293,472.94
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Solution
The fourth proportional to 2,381,139.11, 3,286,033.09 and 1,293,472.94 is: 1,785,025.85
Step by Step Solution
- Step 1: Write the proportion equation
2,381,139.11 : 3,286,033.09 = 1,293,472.94 : x - Step 2: Convert to fraction form
2,381,139.11/3,286,033.09 = 1,293,472.94/x - Step 3: Cross multiply
2,381,139.11x = 3,286,033.09 × 1,293,472.94 - Step 4: Simplify right side
2,381,139.11x = 4,250,394,869,471.52 - Step 5: Solve for x
x = 4,250,394,869,471.52/2,381,139.11 - Step 6: Final answer
x = 1,785,025.85
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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.