Home / 3,972,726.40-5,971,531.20-3,898,076.80

Finding the Fourth Proportional to 3,972,726.40, 5,971,531.20 and 3,898,076.80

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Solution

The fourth proportional to 3,972,726.40, 5,971,531.20 and 3,898,076.80 is: 5,859,323.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972,726.40 : 5,971,531.20 = 3,898,076.80 : x
  2. Step 2: Convert to fraction form
    3,972,726.40/5,971,531.20 = 3,898,076.80/x
  3. Step 3: Cross multiply
    3,972,726.40x = 5,971,531.20 × 3,898,076.80
  4. Step 4: Simplify right side
    3,972,726.40x = 23,277,487,231,196.16
  5. Step 5: Solve for x
    x = 23,277,487,231,196.16/3,972,726.40
  6. Step 6: Final answer
    x = 5,859,323.02

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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.