Home / 3,684,358.80-5,526,538.20-2,780,909.10

Finding the Fourth Proportional to 3,684,358.80, 5,526,538.20 and 2,780,909.10

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Solution

The fourth proportional to 3,684,358.80, 5,526,538.20 and 2,780,909.10 is: 4,171,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684,358.80 : 5,526,538.20 = 2,780,909.10 : x
  2. Step 2: Convert to fraction form
    3,684,358.80/5,526,538.20 = 2,780,909.10/x
  3. Step 3: Cross multiply
    3,684,358.80x = 5,526,538.20 × 2,780,909.10
  4. Step 4: Simplify right side
    3,684,358.80x = 15,368,800,371,877.62
  5. Step 5: Solve for x
    x = 15,368,800,371,877.62/3,684,358.80
  6. Step 6: Final answer
    x = 4,171,363.65

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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.