Home / 2,862,992.25-3,950,845.06-1,639,257.21

Finding the Fourth Proportional to 2,862,992.25, 3,950,845.06 and 1,639,257.21

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Solution

The fourth proportional to 2,862,992.25, 3,950,845.06 and 1,639,257.21 is: 2,262,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862,992.25 : 3,950,845.06 = 1,639,257.21 : x
  2. Step 2: Convert to fraction form
    2,862,992.25/3,950,845.06 = 1,639,257.21/x
  3. Step 3: Cross multiply
    2,862,992.25x = 3,950,845.06 × 1,639,257.21
  4. Step 4: Simplify right side
    2,862,992.25x = 6,476,451,250,197.88
  5. Step 5: Solve for x
    x = 6,476,451,250,197.88/2,862,992.25
  6. Step 6: Final answer
    x = 2,262,126.71

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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.