Home / 2,921,704.20-4,382,556.30-2,809,729.80

Finding the Fourth Proportional to 2,921,704.20, 4,382,556.30 and 2,809,729.80

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Solution

The fourth proportional to 2,921,704.20, 4,382,556.30 and 2,809,729.80 is: 4,214,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,704.20 : 4,382,556.30 = 2,809,729.80 : x
  2. Step 2: Convert to fraction form
    2,921,704.20/4,382,556.30 = 2,809,729.80/x
  3. Step 3: Cross multiply
    2,921,704.20x = 4,382,556.30 × 2,809,729.80
  4. Step 4: Simplify right side
    2,921,704.20x = 12,313,799,036,287.74
  5. Step 5: Solve for x
    x = 12,313,799,036,287.74/2,921,704.20
  6. Step 6: Final answer
    x = 4,214,594.70

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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.