Home / 3,098,455.53-4,275,712.40-1,721,769.68

Finding the Fourth Proportional to 3,098,455.53, 4,275,712.40 and 1,721,769.68

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Solution

The fourth proportional to 3,098,455.53, 4,275,712.40 and 1,721,769.68 is: 2,375,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098,455.53 : 4,275,712.40 = 1,721,769.68 : x
  2. Step 2: Convert to fraction form
    3,098,455.53/4,275,712.40 = 1,721,769.68/x
  3. Step 3: Cross multiply
    3,098,455.53x = 4,275,712.40 × 1,721,769.68
  4. Step 4: Simplify right side
    3,098,455.53x = 7,361,791,940,732.62
  5. Step 5: Solve for x
    x = 7,361,791,940,732.62/3,098,455.53
  6. Step 6: Final answer
    x = 2,375,955.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.