Home / 1,777,982.20-2,668,139.70-1,019,822.20

Finding the Fourth Proportional to 1,777,982.20, 2,668,139.70 and 1,019,822.20

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Solution

The fourth proportional to 1,777,982.20, 2,668,139.70 and 1,019,822.20 is: 1,530,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,982.20 : 2,668,139.70 = 1,019,822.20 : x
  2. Step 2: Convert to fraction form
    1,777,982.20/2,668,139.70 = 1,019,822.20/x
  3. Step 3: Cross multiply
    1,777,982.20x = 2,668,139.70 × 1,019,822.20
  4. Step 4: Simplify right side
    1,777,982.20x = 2,721,028,098,761.34
  5. Step 5: Solve for x
    x = 2,721,028,098,761.34/1,777,982.20
  6. Step 6: Final answer
    x = 1,530,402.33

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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.