Home / 2,250,135.78-3,105,163.26-1,217,620.89

Finding the Fourth Proportional to 2,250,135.78, 3,105,163.26 and 1,217,620.89

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Solution

The fourth proportional to 2,250,135.78, 3,105,163.26 and 1,217,620.89 is: 1,680,303.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,135.78 : 3,105,163.26 = 1,217,620.89 : x
  2. Step 2: Convert to fraction form
    2,250,135.78/3,105,163.26 = 1,217,620.89/x
  3. Step 3: Cross multiply
    2,250,135.78x = 3,105,163.26 × 1,217,620.89
  4. Step 4: Simplify right side
    2,250,135.78x = 3,780,911,652,236.50
  5. Step 5: Solve for x
    x = 3,780,911,652,236.50/2,250,135.78
  6. Step 6: Final answer
    x = 1,680,303.78

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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.