Home / 3,217,198.05-4,825,792.98-821,042.73

Finding the Fourth Proportional to 3,217,198.05, 4,825,792.98 and 821,042.73

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Solution

The fourth proportional to 3,217,198.05, 4,825,792.98 and 821,042.73 is: 1,231,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,198.05 : 4,825,792.98 = 821,042.73 : x
  2. Step 2: Convert to fraction form
    3,217,198.05/4,825,792.98 = 821,042.73/x
  3. Step 3: Cross multiply
    3,217,198.05x = 4,825,792.98 × 821,042.73
  4. Step 4: Simplify right side
    3,217,198.05x = 3,962,182,242,714.04
  5. Step 5: Solve for x
    x = 3,962,182,242,714.04/3,217,198.05
  6. Step 6: Final answer
    x = 1,231,563.05

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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.