Home / 3,408,440.80-5,112,661.20-2,151,839.20

Finding the Fourth Proportional to 3,408,440.80, 5,112,661.20 and 2,151,839.20

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Solution

The fourth proportional to 3,408,440.80, 5,112,661.20 and 2,151,839.20 is: 3,227,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,440.80 : 5,112,661.20 = 2,151,839.20 : x
  2. Step 2: Convert to fraction form
    3,408,440.80/5,112,661.20 = 2,151,839.20/x
  3. Step 3: Cross multiply
    3,408,440.80x = 5,112,661.20 × 2,151,839.20
  4. Step 4: Simplify right side
    3,408,440.80x = 11,001,624,786,479.04
  5. Step 5: Solve for x
    x = 11,001,624,786,479.04/3,408,440.80
  6. Step 6: Final answer
    x = 3,227,758.80

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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.