Home / 3,974,755.38-5,485,162.38-2,163,919.38

Finding the Fourth Proportional to 3,974,755.38, 5,485,162.38 and 2,163,919.38

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Solution

The fourth proportional to 3,974,755.38, 5,485,162.38 and 2,163,919.38 is: 2,986,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,755.38 : 5,485,162.38 = 2,163,919.38 : x
  2. Step 2: Convert to fraction form
    3,974,755.38/5,485,162.38 = 2,163,919.38/x
  3. Step 3: Cross multiply
    3,974,755.38x = 5,485,162.38 × 2,163,919.38
  4. Step 4: Simplify right side
    3,974,755.38x = 11,869,449,176,528.92
  5. Step 5: Solve for x
    x = 11,869,449,176,528.92/3,974,755.38
  6. Step 6: Final answer
    x = 2,986,208.72

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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.