Home / 2,251,408.32-3,106,944.12-1,218,915.90

Finding the Fourth Proportional to 2,251,408.32, 3,106,944.12 and 1,218,915.90

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Solution

The fourth proportional to 2,251,408.32, 3,106,944.12 and 1,218,915.90 is: 1,682,104.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,408.32 : 3,106,944.12 = 1,218,915.90 : x
  2. Step 2: Convert to fraction form
    2,251,408.32/3,106,944.12 = 1,218,915.90/x
  3. Step 3: Cross multiply
    2,251,408.32x = 3,106,944.12 × 1,218,915.90
  4. Step 4: Simplify right side
    2,251,408.32x = 3,787,103,588,279.51
  5. Step 5: Solve for x
    x = 3,787,103,588,279.51/2,251,408.32
  6. Step 6: Final answer
    x = 1,682,104.29

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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.