Home / 5,587,672.10-8,381,508.15-2,221,879.10

Finding the Fourth Proportional to 5,587,672.10, 8,381,508.15 and 2,221,879.10

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Solution

The fourth proportional to 5,587,672.10, 8,381,508.15 and 2,221,879.10 is: 3,332,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587,672.10 : 8,381,508.15 = 2,221,879.10 : x
  2. Step 2: Convert to fraction form
    5,587,672.10/8,381,508.15 = 2,221,879.10/x
  3. Step 3: Cross multiply
    5,587,672.10x = 8,381,508.15 × 2,221,879.10
  4. Step 4: Simplify right side
    5,587,672.10x = 18,622,697,784,964.67
  5. Step 5: Solve for x
    x = 18,622,697,784,964.67/5,587,672.10
  6. Step 6: Final answer
    x = 3,332,818.65

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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.