Home / 1,944,149.40-2,911,121.10-1,372,443.30

Finding the Fourth Proportional to 1,944,149.40, 2,911,121.10 and 1,372,443.30

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Solution

The fourth proportional to 1,944,149.40, 2,911,121.10 and 1,372,443.30 is: 2,055,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,149.40 : 2,911,121.10 = 1,372,443.30 : x
  2. Step 2: Convert to fraction form
    1,944,149.40/2,911,121.10 = 1,372,443.30/x
  3. Step 3: Cross multiply
    1,944,149.40x = 2,911,121.10 × 1,372,443.30
  4. Step 4: Simplify right side
    1,944,149.40x = 3,995,348,649,183.63
  5. Step 5: Solve for x
    x = 3,995,348,649,183.63/1,944,149.40
  6. Step 6: Final answer
    x = 2,055,062.56

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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.