Home / 4,087,407.70-6,131,111.55-3,998,834.20

Finding the Fourth Proportional to 4,087,407.70, 6,131,111.55 and 3,998,834.20

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Solution

The fourth proportional to 4,087,407.70, 6,131,111.55 and 3,998,834.20 is: 5,998,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087,407.70 : 6,131,111.55 = 3,998,834.20 : x
  2. Step 2: Convert to fraction form
    4,087,407.70/6,131,111.55 = 3,998,834.20/x
  3. Step 3: Cross multiply
    4,087,407.70x = 6,131,111.55 × 3,998,834.20
  4. Step 4: Simplify right side
    4,087,407.70x = 24,517,298,550,155.01
  5. Step 5: Solve for x
    x = 24,517,298,550,155.01/4,087,407.70
  6. Step 6: Final answer
    x = 5,998,251.30

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Double scale
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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.