Home / 3,217,194.92-4,825,788.30-821,039.61

Finding the Fourth Proportional to 3,217,194.92, 4,825,788.30 and 821,039.61

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Solution

The fourth proportional to 3,217,194.92, 4,825,788.30 and 821,039.61 is: 1,231,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,194.92 : 4,825,788.30 = 821,039.61 : x
  2. Step 2: Convert to fraction form
    3,217,194.92/4,825,788.30 = 821,039.61/x
  3. Step 3: Cross multiply
    3,217,194.92x = 4,825,788.30 × 821,039.61
  4. Step 4: Simplify right side
    3,217,194.92x = 3,962,163,321,698.22
  5. Step 5: Solve for x
    x = 3,962,163,321,698.22/3,217,194.92
  6. Step 6: Final answer
    x = 1,231,558.37

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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.