Home / 3,959,600.68-5,464,248.78-2,148,764.68

Finding the Fourth Proportional to 3,959,600.68, 5,464,248.78 and 2,148,764.68

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Solution

The fourth proportional to 3,959,600.68, 5,464,248.78 and 2,148,764.68 is: 2,965,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,600.68 : 5,464,248.78 = 2,148,764.68 : x
  2. Step 2: Convert to fraction form
    3,959,600.68/5,464,248.78 = 2,148,764.68/x
  3. Step 3: Cross multiply
    3,959,600.68x = 5,464,248.78 × 2,148,764.68
  4. Step 4: Simplify right side
    3,959,600.68x = 11,741,384,781,197.09
  5. Step 5: Solve for x
    x = 11,741,384,781,197.09/3,959,600.68
  6. Step 6: Final answer
    x = 2,965,295.17

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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.