Home / 3,896,019.20-5,844,028.80-3,187,431.20

Finding the Fourth Proportional to 3,896,019.20, 5,844,028.80 and 3,187,431.20

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Solution

The fourth proportional to 3,896,019.20, 5,844,028.80 and 3,187,431.20 is: 4,781,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,019.20 : 5,844,028.80 = 3,187,431.20 : x
  2. Step 2: Convert to fraction form
    3,896,019.20/5,844,028.80 = 3,187,431.20/x
  3. Step 3: Cross multiply
    3,896,019.20x = 5,844,028.80 × 3,187,431.20
  4. Step 4: Simplify right side
    3,896,019.20x = 18,627,439,730,818.56
  5. Step 5: Solve for x
    x = 18,627,439,730,818.56/3,896,019.20
  6. Step 6: Final answer
    x = 4,781,146.80

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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.