Home / 2,081,203.20-3,121,027.20-818,769.60

Finding the Fourth Proportional to 2,081,203.20, 3,121,027.20 and 818,769.60

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Solution

The fourth proportional to 2,081,203.20, 3,121,027.20 and 818,769.60 is: 1,227,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,203.20 : 3,121,027.20 = 818,769.60 : x
  2. Step 2: Convert to fraction form
    2,081,203.20/3,121,027.20 = 818,769.60/x
  3. Step 3: Cross multiply
    2,081,203.20x = 3,121,027.20 × 818,769.60
  4. Step 4: Simplify right side
    2,081,203.20x = 2,555,402,192,133.12
  5. Step 5: Solve for x
    x = 2,555,402,192,133.12/2,081,203.20
  6. Step 6: Final answer
    x = 1,227,848.48

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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.