Home / 2,135,782.38-3,203,590.41-787,361.61

Finding the Fourth Proportional to 2,135,782.38, 3,203,590.41 and 787,361.61

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Solution

The fourth proportional to 2,135,782.38, 3,203,590.41 and 787,361.61 is: 1,181,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,782.38 : 3,203,590.41 = 787,361.61 : x
  2. Step 2: Convert to fraction form
    2,135,782.38/3,203,590.41 = 787,361.61/x
  3. Step 3: Cross multiply
    2,135,782.38x = 3,203,590.41 × 787,361.61
  4. Step 4: Simplify right side
    2,135,782.38x = 2,522,384,102,998.16
  5. Step 5: Solve for x
    x = 2,522,384,102,998.16/2,135,782.38
  6. Step 6: Final answer
    x = 1,181,011.76

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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.