Home / 3,972,408-5,481,923.04-2,161,584.96

Finding the Fourth Proportional to 3,972,408, 5,481,923.04 and 2,161,584.96

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Solution

The fourth proportional to 3,972,408, 5,481,923.04 and 2,161,584.96 is: 2,982,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972,408 : 5,481,923.04 = 2,161,584.96 : x
  2. Step 2: Convert to fraction form
    3,972,408/5,481,923.04 = 2,161,584.96/x
  3. Step 3: Cross multiply
    3,972,408x = 5,481,923.04 × 2,161,584.96
  4. Step 4: Simplify right side
    3,972,408x = 11,849,642,395,141.48
  5. Step 5: Solve for x
    x = 11,849,642,395,141.48/3,972,408
  6. Step 6: Final answer
    x = 2,982,987.24

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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.