Home / 2,262,257.64-3,121,917.54-1,243,679.72

Finding the Fourth Proportional to 2,262,257.64, 3,121,917.54 and 1,243,679.72

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Solution

The fourth proportional to 2,262,257.64, 3,121,917.54 and 1,243,679.72 is: 1,716,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262,257.64 : 3,121,917.54 = 1,243,679.72 : x
  2. Step 2: Convert to fraction form
    2,262,257.64/3,121,917.54 = 1,243,679.72/x
  3. Step 3: Cross multiply
    2,262,257.64x = 3,121,917.54 × 1,243,679.72
  4. Step 4: Simplify right side
    2,262,257.64x = 3,882,665,532,010.29
  5. Step 5: Solve for x
    x = 3,882,665,532,010.29/2,262,257.64
  6. Step 6: Final answer
    x = 1,716,279.11

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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.