Home / 3,217,200.81-4,825,797.13-821,045.49

Finding the Fourth Proportional to 3,217,200.81, 4,825,797.13 and 821,045.49

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Solution

The fourth proportional to 3,217,200.81, 4,825,797.13 and 821,045.49 is: 1,231,567.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,200.81 : 4,825,797.13 = 821,045.49 : x
  2. Step 2: Convert to fraction form
    3,217,200.81/4,825,797.13 = 821,045.49/x
  3. Step 3: Cross multiply
    3,217,200.81x = 4,825,797.13 × 821,045.49
  4. Step 4: Simplify right side
    3,217,200.81x = 3,962,198,965,136.22
  5. Step 5: Solve for x
    x = 3,962,198,965,136.22/3,217,200.81
  6. Step 6: Final answer
    x = 1,231,567.19

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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.