Home / 2,081,319.20-3,121,201.20-1,448,352.80

Finding the Fourth Proportional to 2,081,319.20, 3,121,201.20 and 1,448,352.80

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Solution

The fourth proportional to 2,081,319.20, 3,121,201.20 and 1,448,352.80 is: 2,171,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,319.20 : 3,121,201.20 = 1,448,352.80 : x
  2. Step 2: Convert to fraction form
    2,081,319.20/3,121,201.20 = 1,448,352.80/x
  3. Step 3: Cross multiply
    2,081,319.20x = 3,121,201.20 × 1,448,352.80
  4. Step 4: Simplify right side
    2,081,319.20x = 4,520,600,497,383.36
  5. Step 5: Solve for x
    x = 4,520,600,497,383.36/2,081,319.20
  6. Step 6: Final answer
    x = 2,171,988.08

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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.