Home / 2,568,781-3,544,919.31-1,407,269.49

Finding the Fourth Proportional to 2,568,781, 3,544,919.31 and 1,407,269.49

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Solution

The fourth proportional to 2,568,781, 3,544,919.31 and 1,407,269.49 is: 1,942,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568,781 : 3,544,919.31 = 1,407,269.49 : x
  2. Step 2: Convert to fraction form
    2,568,781/3,544,919.31 = 1,407,269.49/x
  3. Step 3: Cross multiply
    2,568,781x = 3,544,919.31 × 1,407,269.49
  4. Step 4: Simplify right side
    2,568,781x = 4,988,656,789,474.85
  5. Step 5: Solve for x
    x = 4,988,656,789,474.85/2,568,781
  6. Step 6: Final answer
    x = 1,942,032.73

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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.