Home / 2,439,767.39-3,659,338.82-642,789.68

Finding the Fourth Proportional to 2,439,767.39, 3,659,338.82 and 642,789.68

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Solution

The fourth proportional to 2,439,767.39, 3,659,338.82 and 642,789.68 is: 964,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,767.39 : 3,659,338.82 = 642,789.68 : x
  2. Step 2: Convert to fraction form
    2,439,767.39/3,659,338.82 = 642,789.68/x
  3. Step 3: Cross multiply
    2,439,767.39x = 3,659,338.82 × 642,789.68
  4. Step 4: Simplify right side
    2,439,767.39x = 2,352,185,212,429.66
  5. Step 5: Solve for x
    x = 2,352,185,212,429.66/2,439,767.39
  6. Step 6: Final answer
    x = 964,102.24

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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.