Home / 2,279,422.56-3,416,113.68-1,212,166.56

Finding the Fourth Proportional to 2,279,422.56, 3,416,113.68 and 1,212,166.56

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Solution

The fourth proportional to 2,279,422.56, 3,416,113.68 and 1,212,166.56 is: 1,816,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,422.56 : 3,416,113.68 = 1,212,166.56 : x
  2. Step 2: Convert to fraction form
    2,279,422.56/3,416,113.68 = 1,212,166.56/x
  3. Step 3: Cross multiply
    2,279,422.56x = 3,416,113.68 × 1,212,166.56
  4. Step 4: Simplify right side
    2,279,422.56x = 4,140,898,768,054.54
  5. Step 5: Solve for x
    x = 4,140,898,768,054.54/2,279,422.56
  6. Step 6: Final answer
    x = 1,816,643.76

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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.