Home / 2,081,164.20-3,120,968.70-1,448,197.80

Finding the Fourth Proportional to 2,081,164.20, 3,120,968.70 and 1,448,197.80

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Solution

The fourth proportional to 2,081,164.20, 3,120,968.70 and 1,448,197.80 is: 2,171,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,164.20 : 3,120,968.70 = 1,448,197.80 : x
  2. Step 2: Convert to fraction form
    2,081,164.20/3,120,968.70 = 1,448,197.80/x
  3. Step 3: Cross multiply
    2,081,164.20x = 3,120,968.70 × 1,448,197.80
  4. Step 4: Simplify right side
    2,081,164.20x = 4,519,780,005,208.86
  5. Step 5: Solve for x
    x = 4,519,780,005,208.86/2,081,164.20
  6. Step 6: Final answer
    x = 2,171,755.60

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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.