Home / 3,451,079.40-5,170,714.20-2,187,430.80

Finding the Fourth Proportional to 3,451,079.40, 5,170,714.20 and 2,187,430.80

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Solution

The fourth proportional to 3,451,079.40, 5,170,714.20 and 2,187,430.80 is: 3,277,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,079.40 : 5,170,714.20 = 2,187,430.80 : x
  2. Step 2: Convert to fraction form
    3,451,079.40/5,170,714.20 = 2,187,430.80/x
  3. Step 3: Cross multiply
    3,451,079.40x = 5,170,714.20 × 2,187,430.80
  4. Step 4: Simplify right side
    3,451,079.40x = 11,310,579,499,077.36
  5. Step 5: Solve for x
    x = 11,310,579,499,077.36/3,451,079.40
  6. Step 6: Final answer
    x = 3,277,403.44

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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.