Home / 3,850,134.78-5,780,879.40-2,147,604.50

Finding the Fourth Proportional to 3,850,134.78, 5,780,879.40 and 2,147,604.50

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Solution

The fourth proportional to 3,850,134.78, 5,780,879.40 and 2,147,604.50 is: 3,224,573.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850,134.78 : 5,780,879.40 = 2,147,604.50 : x
  2. Step 2: Convert to fraction form
    3,850,134.78/5,780,879.40 = 2,147,604.50/x
  3. Step 3: Cross multiply
    3,850,134.78x = 5,780,879.40 × 2,147,604.50
  4. Step 4: Simplify right side
    3,850,134.78x = 12,415,042,613,397.30
  5. Step 5: Solve for x
    x = 12,415,042,613,397.30/3,850,134.78
  6. Step 6: Final answer
    x = 3,224,573.51

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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.