Home / 2,227,616.60-3,074,112.24-1,209,021.36

Finding the Fourth Proportional to 2,227,616.60, 3,074,112.24 and 1,209,021.36

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Solution

The fourth proportional to 2,227,616.60, 3,074,112.24 and 1,209,021.36 is: 1,668,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,616.60 : 3,074,112.24 = 1,209,021.36 : x
  2. Step 2: Convert to fraction form
    2,227,616.60/3,074,112.24 = 1,209,021.36/x
  3. Step 3: Cross multiply
    2,227,616.60x = 3,074,112.24 × 1,209,021.36
  4. Step 4: Simplify right side
    2,227,616.60x = 3,716,667,361,197.45
  5. Step 5: Solve for x
    x = 3,716,667,361,197.45/2,227,616.60
  6. Step 6: Final answer
    x = 1,668,450.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.