Home / 2,545,919.76-3,818,062.85-839,679.47

Finding the Fourth Proportional to 2,545,919.76, 3,818,062.85 and 839,679.47

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Solution

The fourth proportional to 2,545,919.76, 3,818,062.85 and 839,679.47 is: 1,259,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,919.76 : 3,818,062.85 = 839,679.47 : x
  2. Step 2: Convert to fraction form
    2,545,919.76/3,818,062.85 = 839,679.47/x
  3. Step 3: Cross multiply
    2,545,919.76x = 3,818,062.85 × 839,679.47
  4. Step 4: Simplify right side
    2,545,919.76x = 3,205,948,967,025.98
  5. Step 5: Solve for x
    x = 3,205,948,967,025.98/2,545,919.76
  6. Step 6: Final answer
    x = 1,259,249.81

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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.