Home / 3,840,691-5,300,153.58-2,231,162.68

Finding the Fourth Proportional to 3,840,691, 5,300,153.58 and 2,231,162.68

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Solution

The fourth proportional to 3,840,691, 5,300,153.58 and 2,231,162.68 is: 3,079,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,691 : 5,300,153.58 = 2,231,162.68 : x
  2. Step 2: Convert to fraction form
    3,840,691/5,300,153.58 = 2,231,162.68/x
  3. Step 3: Cross multiply
    3,840,691x = 5,300,153.58 × 2,231,162.68
  4. Step 4: Simplify right side
    3,840,691x = 11,825,504,865,964.39
  5. Step 5: Solve for x
    x = 11,825,504,865,964.39/3,840,691
  6. Step 6: Final answer
    x = 3,079,004.50

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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.