Home / 2,754,043.20-4,131,064.80-860,781.60

Finding the Fourth Proportional to 2,754,043.20, 4,131,064.80 and 860,781.60

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Solution

The fourth proportional to 2,754,043.20, 4,131,064.80 and 860,781.60 is: 1,291,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,043.20 : 4,131,064.80 = 860,781.60 : x
  2. Step 2: Convert to fraction form
    2,754,043.20/4,131,064.80 = 860,781.60/x
  3. Step 3: Cross multiply
    2,754,043.20x = 4,131,064.80 × 860,781.60
  4. Step 4: Simplify right side
    2,754,043.20x = 3,555,944,568,247.68
  5. Step 5: Solve for x
    x = 3,555,944,568,247.68/2,754,043.20
  6. Step 6: Final answer
    x = 1,291,172.40

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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.