Home / 3,217,214.58-4,825,819.05-821,059.02

Finding the Fourth Proportional to 3,217,214.58, 4,825,819.05 and 821,059.02

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Solution

The fourth proportional to 3,217,214.58, 4,825,819.05 and 821,059.02 is: 1,231,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,214.58 : 4,825,819.05 = 821,059.02 : x
  2. Step 2: Convert to fraction form
    3,217,214.58/4,825,819.05 = 821,059.02/x
  3. Step 3: Cross multiply
    3,217,214.58x = 4,825,819.05 × 821,059.02
  4. Step 4: Simplify right side
    3,217,214.58x = 3,962,282,259,890.33
  5. Step 5: Solve for x
    x = 3,962,282,259,890.33/3,217,214.58
  6. Step 6: Final answer
    x = 1,231,587.81

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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.