Home / 2,180,229.20-3,270,343.80-1,340,421.20

Finding the Fourth Proportional to 2,180,229.20, 3,270,343.80 and 1,340,421.20

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Solution

The fourth proportional to 2,180,229.20, 3,270,343.80 and 1,340,421.20 is: 2,010,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,229.20 : 3,270,343.80 = 1,340,421.20 : x
  2. Step 2: Convert to fraction form
    2,180,229.20/3,270,343.80 = 1,340,421.20/x
  3. Step 3: Cross multiply
    2,180,229.20x = 3,270,343.80 × 1,340,421.20
  4. Step 4: Simplify right side
    2,180,229.20x = 4,383,638,160,808.56
  5. Step 5: Solve for x
    x = 4,383,638,160,808.56/2,180,229.20
  6. Step 6: Final answer
    x = 2,010,631.80

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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.