Home / 3,217,197.42-4,825,792.06-821,042.10

Finding the Fourth Proportional to 3,217,197.42, 4,825,792.06 and 821,042.10

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Solution

The fourth proportional to 3,217,197.42, 4,825,792.06 and 821,042.10 is: 1,231,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,197.42 : 4,825,792.06 = 821,042.10 : x
  2. Step 2: Convert to fraction form
    3,217,197.42/4,825,792.06 = 821,042.10/x
  3. Step 3: Cross multiply
    3,217,197.42x = 4,825,792.06 × 821,042.10
  4. Step 4: Simplify right side
    3,217,197.42x = 3,962,178,447,105.73
  5. Step 5: Solve for x
    x = 3,962,178,447,105.73/3,217,197.42
  6. Step 6: Final answer
    x = 1,231,562.11

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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.