Home / 3,217,195.30-4,825,788.87-821,039.98

Finding the Fourth Proportional to 3,217,195.30, 4,825,788.87 and 821,039.98

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Solution

The fourth proportional to 3,217,195.30, 4,825,788.87 and 821,039.98 is: 1,231,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,195.30 : 4,825,788.87 = 821,039.98 : x
  2. Step 2: Convert to fraction form
    3,217,195.30/4,825,788.87 = 821,039.98/x
  3. Step 3: Cross multiply
    3,217,195.30x = 4,825,788.87 × 821,039.98
  4. Step 4: Simplify right side
    3,217,195.30x = 3,962,165,593,203.82
  5. Step 5: Solve for x
    x = 3,962,165,593,203.82/3,217,195.30
  6. Step 6: Final answer
    x = 1,231,558.93

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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.