Home / 2,080,279.20-3,120,418.80-960,535.20

Finding the Fourth Proportional to 2,080,279.20, 3,120,418.80 and 960,535.20

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Solution

The fourth proportional to 2,080,279.20, 3,120,418.80 and 960,535.20 is: 1,440,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,279.20 : 3,120,418.80 = 960,535.20 : x
  2. Step 2: Convert to fraction form
    2,080,279.20/3,120,418.80 = 960,535.20/x
  3. Step 3: Cross multiply
    2,080,279.20x = 3,120,418.80 × 960,535.20
  4. Step 4: Simplify right side
    2,080,279.20x = 2,997,272,096,141.76
  5. Step 5: Solve for x
    x = 2,997,272,096,141.76/2,080,279.20
  6. Step 6: Final answer
    x = 1,440,802.80

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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.