Home / 3,195,912.20-4,789,785.90-1,300,512.20

Finding the Fourth Proportional to 3,195,912.20, 4,789,785.90 and 1,300,512.20

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Solution

The fourth proportional to 3,195,912.20, 4,789,785.90 and 1,300,512.20 is: 1,949,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195,912.20 : 4,789,785.90 = 1,300,512.20 : x
  2. Step 2: Convert to fraction form
    3,195,912.20/4,789,785.90 = 1,300,512.20/x
  3. Step 3: Cross multiply
    3,195,912.20x = 4,789,785.90 × 1,300,512.20
  4. Step 4: Simplify right side
    3,195,912.20x = 6,229,174,998,337.98
  5. Step 5: Solve for x
    x = 6,229,174,998,337.98/3,195,912.20
  6. Step 6: Final answer
    x = 1,949,107.05

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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.