Home / 2,019,791.90-3,025,605.45-1,259,299.10

Finding the Fourth Proportional to 2,019,791.90, 3,025,605.45 and 1,259,299.10

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Solution

The fourth proportional to 2,019,791.90, 3,025,605.45 and 1,259,299.10 is: 1,886,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,791.90 : 3,025,605.45 = 1,259,299.10 : x
  2. Step 2: Convert to fraction form
    2,019,791.90/3,025,605.45 = 1,259,299.10/x
  3. Step 3: Cross multiply
    2,019,791.90x = 3,025,605.45 × 1,259,299.10
  4. Step 4: Simplify right side
    2,019,791.90x = 3,810,142,220,140.10
  5. Step 5: Solve for x
    x = 3,810,142,220,140.10/2,019,791.90
  6. Step 6: Final answer
    x = 1,886,403.36

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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.