Home / 3,930,449.60-5,424,268.21-2,381,846.69

Finding the Fourth Proportional to 3,930,449.60, 5,424,268.21 and 2,381,846.69

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Solution

The fourth proportional to 3,930,449.60, 5,424,268.21 and 2,381,846.69 is: 3,287,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,449.60 : 5,424,268.21 = 2,381,846.69 : x
  2. Step 2: Convert to fraction form
    3,930,449.60/5,424,268.21 = 2,381,846.69/x
  3. Step 3: Cross multiply
    3,930,449.60x = 5,424,268.21 × 2,381,846.69
  4. Step 4: Simplify right side
    3,930,449.60x = 12,919,775,248,584.77
  5. Step 5: Solve for x
    x = 12,919,775,248,584.77/3,930,449.60
  6. Step 6: Final answer
    x = 3,287,098.57

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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.