Home / 3,901,872.78-5,854,675.41-1,378,716.30

Finding the Fourth Proportional to 3,901,872.78, 5,854,675.41 and 1,378,716.30

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Solution

The fourth proportional to 3,901,872.78, 5,854,675.41 and 1,378,716.30 is: 2,068,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901,872.78 : 5,854,675.41 = 1,378,716.30 : x
  2. Step 2: Convert to fraction form
    3,901,872.78/5,854,675.41 = 1,378,716.30/x
  3. Step 3: Cross multiply
    3,901,872.78x = 5,854,675.41 × 1,378,716.30
  4. Step 4: Simplify right side
    3,901,872.78x = 8,071,936,418,976.18
  5. Step 5: Solve for x
    x = 8,071,936,418,976.18/3,901,872.78
  6. Step 6: Final answer
    x = 2,068,733.88

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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.