Home / 3,520,212.20-5,280,318.30-2,811,624.20

Finding the Fourth Proportional to 3,520,212.20, 5,280,318.30 and 2,811,624.20

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Solution

The fourth proportional to 3,520,212.20, 5,280,318.30 and 2,811,624.20 is: 4,217,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,212.20 : 5,280,318.30 = 2,811,624.20 : x
  2. Step 2: Convert to fraction form
    3,520,212.20/5,280,318.30 = 2,811,624.20/x
  3. Step 3: Cross multiply
    3,520,212.20x = 5,280,318.30 × 2,811,624.20
  4. Step 4: Simplify right side
    3,520,212.20x = 14,846,270,715,982.86
  5. Step 5: Solve for x
    x = 14,846,270,715,982.86/3,520,212.20
  6. Step 6: Final answer
    x = 4,217,436.30

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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.