Home / 3,190,507.11-4,787,831.03-1,910,149.83

Finding the Fourth Proportional to 3,190,507.11, 4,787,831.03 and 1,910,149.83

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Solution

The fourth proportional to 3,190,507.11, 4,787,831.03 and 1,910,149.83 is: 2,866,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,507.11 : 4,787,831.03 = 1,910,149.83 : x
  2. Step 2: Convert to fraction form
    3,190,507.11/4,787,831.03 = 1,910,149.83/x
  3. Step 3: Cross multiply
    3,190,507.11x = 4,787,831.03 × 1,910,149.83
  4. Step 4: Simplify right side
    3,190,507.11x = 9,145,474,618,472.48
  5. Step 5: Solve for x
    x = 9,145,474,618,472.48/3,190,507.11
  6. Step 6: Final answer
    x = 2,866,464.27

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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.