Finding the Fourth Proportional to 2,162,682.77, 2,984,373.99 and 1,195,737.17
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Solution
The fourth proportional to 2,162,682.77, 2,984,373.99 and 1,195,737.17 is: 1,650,046.40
Step by Step Solution
- Step 1: Write the proportion equation
2,162,682.77 : 2,984,373.99 = 1,195,737.17 : x - Step 2: Convert to fraction form
2,162,682.77/2,984,373.99 = 1,195,737.17/x - Step 3: Cross multiply
2,162,682.77x = 2,984,373.99 × 1,195,737.17 - Step 4: Simplify right side
2,162,682.77x = 3,568,526,909,024.21 - Step 5: Solve for x
x = 3,568,526,909,024.21/2,162,682.77 - Step 6: Final answer
x = 1,650,046.40
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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.