Home / 1,508,021.11-2,081,083.92-819,692.54

Finding the Fourth Proportional to 1,508,021.11, 2,081,083.92 and 819,692.54

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Solution

The fourth proportional to 1,508,021.11, 2,081,083.92 and 819,692.54 is: 1,131,183.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,021.11 : 2,081,083.92 = 819,692.54 : x
  2. Step 2: Convert to fraction form
    1,508,021.11/2,081,083.92 = 819,692.54/x
  3. Step 3: Cross multiply
    1,508,021.11x = 2,081,083.92 × 819,692.54
  4. Step 4: Simplify right side
    1,508,021.11x = 1,705,848,964,337.96
  5. Step 5: Solve for x
    x = 1,705,848,964,337.96/1,508,021.11
  6. Step 6: Final answer
    x = 1,131,183.74

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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.