Home / 2,187,105.70-3,280,658.55-1,627,233.70

Finding the Fourth Proportional to 2,187,105.70, 3,280,658.55 and 1,627,233.70

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Solution

The fourth proportional to 2,187,105.70, 3,280,658.55 and 1,627,233.70 is: 2,440,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,105.70 : 3,280,658.55 = 1,627,233.70 : x
  2. Step 2: Convert to fraction form
    2,187,105.70/3,280,658.55 = 1,627,233.70/x
  3. Step 3: Cross multiply
    2,187,105.70x = 3,280,658.55 × 1,627,233.70
  4. Step 4: Simplify right side
    2,187,105.70x = 5,338,398,150,753.14
  5. Step 5: Solve for x
    x = 5,338,398,150,753.14/2,187,105.70
  6. Step 6: Final answer
    x = 2,440,850.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.