Home / 3,620,791.89-4,996,780.83-1,989,304.92

Finding the Fourth Proportional to 3,620,791.89, 4,996,780.83 and 1,989,304.92

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Solution

The fourth proportional to 3,620,791.89, 4,996,780.83 and 1,989,304.92 is: 2,745,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,791.89 : 4,996,780.83 = 1,989,304.92 : x
  2. Step 2: Convert to fraction form
    3,620,791.89/4,996,780.83 = 1,989,304.92/x
  3. Step 3: Cross multiply
    3,620,791.89x = 4,996,780.83 × 1,989,304.92
  4. Step 4: Simplify right side
    3,620,791.89x = 9,940,120,689,280.68
  5. Step 5: Solve for x
    x = 9,940,120,689,280.68/3,620,791.89
  6. Step 6: Final answer
    x = 2,745,289.15

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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.