Home / 2,081,717.38-2,871,890.30-1,393,610.92

Finding the Fourth Proportional to 2,081,717.38, 2,871,890.30 and 1,393,610.92

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Solution

The fourth proportional to 2,081,717.38, 2,871,890.30 and 1,393,610.92 is: 1,922,594.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,717.38 : 2,871,890.30 = 1,393,610.92 : x
  2. Step 2: Convert to fraction form
    2,081,717.38/2,871,890.30 = 1,393,610.92/x
  3. Step 3: Cross multiply
    2,081,717.38x = 2,871,890.30 × 1,393,610.92
  4. Step 4: Simplify right side
    2,081,717.38x = 4,002,297,683,122.08
  5. Step 5: Solve for x
    x = 4,002,297,683,122.08/2,081,717.38
  6. Step 6: Final answer
    x = 1,922,594.16

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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.