Home / 3,785,247.90-5,664,047.85-2,789,919.90

Finding the Fourth Proportional to 3,785,247.90, 5,664,047.85 and 2,789,919.90

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Solution

The fourth proportional to 3,785,247.90, 5,664,047.85 and 2,789,919.90 is: 4,174,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,247.90 : 5,664,047.85 = 2,789,919.90 : x
  2. Step 2: Convert to fraction form
    3,785,247.90/5,664,047.85 = 2,789,919.90/x
  3. Step 3: Cross multiply
    3,785,247.90x = 5,664,047.85 × 2,789,919.90
  4. Step 4: Simplify right side
    3,785,247.90x = 15,802,239,811,267.21
  5. Step 5: Solve for x
    x = 15,802,239,811,267.21/3,785,247.90
  6. Step 6: Final answer
    x = 4,174,690.86

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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.