Home / 3,180,067.78-4,390,956.80-2,443,855.92

Finding the Fourth Proportional to 3,180,067.78, 4,390,956.80 and 2,443,855.92

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Solution

The fourth proportional to 3,180,067.78, 4,390,956.80 and 2,443,855.92 is: 3,374,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,067.78 : 4,390,956.80 = 2,443,855.92 : x
  2. Step 2: Convert to fraction form
    3,180,067.78/4,390,956.80 = 2,443,855.92/x
  3. Step 3: Cross multiply
    3,180,067.78x = 4,390,956.80 × 2,443,855.92
  4. Step 4: Simplify right side
    3,180,067.78x = 10,730,865,770,144.26
  5. Step 5: Solve for x
    x = 10,730,865,770,144.26/3,180,067.78
  6. Step 6: Final answer
    x = 3,374,414.17

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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.