Home / 3,149,737.10-4,720,717.65-2,138,857.10

Finding the Fourth Proportional to 3,149,737.10, 4,720,717.65 and 2,138,857.10

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Solution

The fourth proportional to 3,149,737.10, 4,720,717.65 and 2,138,857.10 is: 3,205,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,737.10 : 4,720,717.65 = 2,138,857.10 : x
  2. Step 2: Convert to fraction form
    3,149,737.10/4,720,717.65 = 2,138,857.10/x
  3. Step 3: Cross multiply
    3,149,737.10x = 4,720,717.65 × 2,138,857.10
  4. Step 4: Simplify right side
    3,149,737.10x = 10,096,940,462,797.82
  5. Step 5: Solve for x
    x = 10,096,940,462,797.82/3,149,737.10
  6. Step 6: Final answer
    x = 3,205,645.47

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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.