Home / 3,928,407.64-5,890,893.27-1,981,938.34

Finding the Fourth Proportional to 3,928,407.64, 5,890,893.27 and 1,981,938.34

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Solution

The fourth proportional to 3,928,407.64, 5,890,893.27 and 1,981,938.34 is: 2,972,040.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,407.64 : 5,890,893.27 = 1,981,938.34 : x
  2. Step 2: Convert to fraction form
    3,928,407.64/5,890,893.27 = 1,981,938.34/x
  3. Step 3: Cross multiply
    3,928,407.64x = 5,890,893.27 × 1,981,938.34
  4. Step 4: Simplify right side
    3,928,407.64x = 11,675,387,228,660.97
  5. Step 5: Solve for x
    x = 11,675,387,228,660.97/3,928,407.64
  6. Step 6: Final answer
    x = 2,972,040.66

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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.