Home / 3,850,065.68-5,313,026.12-2,131,149.20

Finding the Fourth Proportional to 3,850,065.68, 5,313,026.12 and 2,131,149.20

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Solution

The fourth proportional to 3,850,065.68, 5,313,026.12 and 2,131,149.20 is: 2,940,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850,065.68 : 5,313,026.12 = 2,131,149.20 : x
  2. Step 2: Convert to fraction form
    3,850,065.68/5,313,026.12 = 2,131,149.20/x
  3. Step 3: Cross multiply
    3,850,065.68x = 5,313,026.12 × 2,131,149.20
  4. Step 4: Simplify right side
    3,850,065.68x = 11,322,851,365,217.11
  5. Step 5: Solve for x
    x = 11,322,851,365,217.11/3,850,065.68
  6. Step 6: Final answer
    x = 2,940,950.18

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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.