Home / 3,928,408.64-5,890,894.77-1,981,939.34

Finding the Fourth Proportional to 3,928,408.64, 5,890,894.77 and 1,981,939.34

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Solution

The fourth proportional to 3,928,408.64, 5,890,894.77 and 1,981,939.34 is: 2,972,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,408.64 : 5,890,894.77 = 1,981,939.34 : x
  2. Step 2: Convert to fraction form
    3,928,408.64/5,890,894.77 = 1,981,939.34/x
  3. Step 3: Cross multiply
    3,928,408.64x = 5,890,894.77 × 1,981,939.34
  4. Step 4: Simplify right side
    3,928,408.64x = 11,675,396,092,463.25
  5. Step 5: Solve for x
    x = 11,675,396,092,463.25/3,928,408.64
  6. Step 6: Final answer
    x = 2,972,042.16

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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.