Home / 3,785,340-5,223,764.18-2,427,209.76

Finding the Fourth Proportional to 3,785,340, 5,223,764.18 and 2,427,209.76

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Solution

The fourth proportional to 3,785,340, 5,223,764.18 and 2,427,209.76 is: 3,349,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,340 : 5,223,764.18 = 2,427,209.76 : x
  2. Step 2: Convert to fraction form
    3,785,340/5,223,764.18 = 2,427,209.76/x
  3. Step 3: Cross multiply
    3,785,340x = 5,223,764.18 × 2,427,209.76
  4. Step 4: Simplify right side
    3,785,340x = 12,679,171,401,634.39
  5. Step 5: Solve for x
    x = 12,679,171,401,634.39/3,785,340
  6. Step 6: Final answer
    x = 3,349,546.25

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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.