Home / 5,429,123.10-8,146,637.10-2,234,572.20

Finding the Fourth Proportional to 5,429,123.10, 8,146,637.10 and 2,234,572.20

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Solution

The fourth proportional to 5,429,123.10, 8,146,637.10 and 2,234,572.20 is: 3,353,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,123.10 : 8,146,637.10 = 2,234,572.20 : x
  2. Step 2: Convert to fraction form
    5,429,123.10/8,146,637.10 = 2,234,572.20/x
  3. Step 3: Cross multiply
    5,429,123.10x = 8,146,637.10 × 2,234,572.20
  4. Step 4: Simplify right side
    5,429,123.10x = 18,204,248,787,148.62
  5. Step 5: Solve for x
    x = 18,204,248,787,148.62/5,429,123.10
  6. Step 6: Final answer
    x = 3,353,073.50

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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.