Home / 2,227,107.81-3,073,416.98-1,208,512.56

Finding the Fourth Proportional to 2,227,107.81, 3,073,416.98 and 1,208,512.56

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Solution

The fourth proportional to 2,227,107.81, 3,073,416.98 and 1,208,512.56 is: 1,667,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,107.81 : 3,073,416.98 = 1,208,512.56 : x
  2. Step 2: Convert to fraction form
    2,227,107.81/3,073,416.98 = 1,208,512.56/x
  3. Step 3: Cross multiply
    2,227,107.81x = 3,073,416.98 × 1,208,512.56
  4. Step 4: Simplify right side
    2,227,107.81x = 3,714,263,022,447.27
  5. Step 5: Solve for x
    x = 3,714,263,022,447.27/2,227,107.81
  6. Step 6: Final answer
    x = 1,667,751.78

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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.