Home / 3,217,197.92-4,825,792.80-821,042.62

Finding the Fourth Proportional to 3,217,197.92, 4,825,792.80 and 821,042.62

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Solution

The fourth proportional to 3,217,197.92, 4,825,792.80 and 821,042.62 is: 1,231,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,197.92 : 4,825,792.80 = 821,042.62 : x
  2. Step 2: Convert to fraction form
    3,217,197.92/4,825,792.80 = 821,042.62/x
  3. Step 3: Cross multiply
    3,217,197.92x = 4,825,792.80 × 821,042.62
  4. Step 4: Simplify right side
    3,217,197.92x = 3,962,181,564,089.14
  5. Step 5: Solve for x
    x = 3,962,181,564,089.14/3,217,197.92
  6. Step 6: Final answer
    x = 1,231,562.89

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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.