Home / 3,120,691.60-4,681,037.40-2,648,299.60

Finding the Fourth Proportional to 3,120,691.60, 4,681,037.40 and 2,648,299.60

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Solution

The fourth proportional to 3,120,691.60, 4,681,037.40 and 2,648,299.60 is: 3,972,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,691.60 : 4,681,037.40 = 2,648,299.60 : x
  2. Step 2: Convert to fraction form
    3,120,691.60/4,681,037.40 = 2,648,299.60/x
  3. Step 3: Cross multiply
    3,120,691.60x = 4,681,037.40 × 2,648,299.60
  4. Step 4: Simplify right side
    3,120,691.60x = 12,396,789,474,005.04
  5. Step 5: Solve for x
    x = 12,396,789,474,005.04/3,120,691.60
  6. Step 6: Final answer
    x = 3,972,449.40

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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.