Home / 1,972,651.96-2,722,104.64-1,208,601.64

Finding the Fourth Proportional to 1,972,651.96, 2,722,104.64 and 1,208,601.64

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Solution

The fourth proportional to 1,972,651.96, 2,722,104.64 and 1,208,601.64 is: 1,667,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,651.96 : 2,722,104.64 = 1,208,601.64 : x
  2. Step 2: Convert to fraction form
    1,972,651.96/2,722,104.64 = 1,208,601.64/x
  3. Step 3: Cross multiply
    1,972,651.96x = 2,722,104.64 × 1,208,601.64
  4. Step 4: Simplify right side
    1,972,651.96x = 3,289,940,132,155.61
  5. Step 5: Solve for x
    x = 3,289,940,132,155.61/1,972,651.96
  6. Step 6: Final answer
    x = 1,667,775.26

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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.