Home / 2,179,610.22-3,008,278.62-1,443,265.79

Finding the Fourth Proportional to 2,179,610.22, 3,008,278.62 and 1,443,265.79

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Solution

The fourth proportional to 2,179,610.22, 3,008,278.62 and 1,443,265.79 is: 1,991,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,610.22 : 3,008,278.62 = 1,443,265.79 : x
  2. Step 2: Convert to fraction form
    2,179,610.22/3,008,278.62 = 1,443,265.79/x
  3. Step 3: Cross multiply
    2,179,610.22x = 3,008,278.62 × 1,443,265.79
  4. Step 4: Simplify right side
    2,179,610.22x = 4,341,745,603,993.02
  5. Step 5: Solve for x
    x = 4,341,745,603,993.02/2,179,610.22
  6. Step 6: Final answer
    x = 1,991,982.59

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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.