Home / 3,933,464.38-5,428,515.02-2,214,919.78

Finding the Fourth Proportional to 3,933,464.38, 5,428,515.02 and 2,214,919.78

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Solution

The fourth proportional to 3,933,464.38, 5,428,515.02 and 2,214,919.78 is: 3,056,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933,464.38 : 5,428,515.02 = 2,214,919.78 : x
  2. Step 2: Convert to fraction form
    3,933,464.38/5,428,515.02 = 2,214,919.78/x
  3. Step 3: Cross multiply
    3,933,464.38x = 5,428,515.02 × 2,214,919.78
  4. Step 4: Simplify right side
    3,933,464.38x = 12,023,725,269,179.21
  5. Step 5: Solve for x
    x = 12,023,725,269,179.21/3,933,464.38
  6. Step 6: Final answer
    x = 3,056,777.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.