Home / 2,251,346.56-3,106,859.45-1,218,854.57

Finding the Fourth Proportional to 2,251,346.56, 3,106,859.45 and 1,218,854.57

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Solution

The fourth proportional to 2,251,346.56, 3,106,859.45 and 1,218,854.57 is: 1,682,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,346.56 : 3,106,859.45 = 1,218,854.57 : x
  2. Step 2: Convert to fraction form
    2,251,346.56/3,106,859.45 = 1,218,854.57/x
  3. Step 3: Cross multiply
    2,251,346.56x = 3,106,859.45 × 1,218,854.57
  4. Step 4: Simplify right side
    2,251,346.56x = 3,786,809,817,351.62
  5. Step 5: Solve for x
    x = 3,786,809,817,351.62/2,251,346.56
  6. Step 6: Final answer
    x = 1,682,019.95

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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.