Home / 3,217,227.06-4,825,836.45-821,071.80

Finding the Fourth Proportional to 3,217,227.06, 4,825,836.45 and 821,071.80

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Solution

The fourth proportional to 3,217,227.06, 4,825,836.45 and 821,071.80 is: 1,231,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,227.06 : 4,825,836.45 = 821,071.80 : x
  2. Step 2: Convert to fraction form
    3,217,227.06/4,825,836.45 = 821,071.80/x
  3. Step 3: Cross multiply
    3,217,227.06x = 4,825,836.45 × 821,071.80
  4. Step 4: Simplify right side
    3,217,227.06x = 3,962,358,220,507.11
  5. Step 5: Solve for x
    x = 3,962,358,220,507.11/3,217,227.06
  6. Step 6: Final answer
    x = 1,231,606.64

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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.