Home / 3,217,225-4,825,833.62-821,069.88

Finding the Fourth Proportional to 3,217,225, 4,825,833.62 and 821,069.88

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Solution

The fourth proportional to 3,217,225, 4,825,833.62 and 821,069.88 is: 1,231,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,225 : 4,825,833.62 = 821,069.88 : x
  2. Step 2: Convert to fraction form
    3,217,225/4,825,833.62 = 821,069.88/x
  3. Step 3: Cross multiply
    3,217,225x = 4,825,833.62 × 821,069.88
  4. Step 4: Simplify right side
    3,217,225x = 3,962,346,631,273.37
  5. Step 5: Solve for x
    x = 3,962,346,631,273.37/3,217,225
  6. Step 6: Final answer
    x = 1,231,603.83

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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.