Home / 1,972,650.96-2,722,103.28-1,208,600.64

Finding the Fourth Proportional to 1,972,650.96, 2,722,103.28 and 1,208,600.64

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Solution

The fourth proportional to 1,972,650.96, 2,722,103.28 and 1,208,600.64 is: 1,667,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,650.96 : 2,722,103.28 = 1,208,600.64 : x
  2. Step 2: Convert to fraction form
    1,972,650.96/2,722,103.28 = 1,208,600.64/x
  3. Step 3: Cross multiply
    1,972,650.96x = 2,722,103.28 × 1,208,600.64
  4. Step 4: Simplify right side
    1,972,650.96x = 3,289,935,766,354.10
  5. Step 5: Solve for x
    x = 3,289,935,766,354.10/1,972,650.96
  6. Step 6: Final answer
    x = 1,667,773.89

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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.