Home / 3,217,215.08-4,825,819.80-821,059.52

Finding the Fourth Proportional to 3,217,215.08, 4,825,819.80 and 821,059.52

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Solution

The fourth proportional to 3,217,215.08, 4,825,819.80 and 821,059.52 is: 1,231,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,215.08 : 4,825,819.80 = 821,059.52 : x
  2. Step 2: Convert to fraction form
    3,217,215.08/4,825,819.80 = 821,059.52/x
  3. Step 3: Cross multiply
    3,217,215.08x = 4,825,819.80 × 821,059.52
  4. Step 4: Simplify right side
    3,217,215.08x = 3,962,285,288,594.50
  5. Step 5: Solve for x
    x = 3,962,285,288,594.50/3,217,215.08
  6. Step 6: Final answer
    x = 1,231,588.56

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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.