Home / 5,109,840.62-7,667,951.91-3,405,180.05

Finding the Fourth Proportional to 5,109,840.62, 7,667,951.91 and 3,405,180.05

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Solution

The fourth proportional to 5,109,840.62, 7,667,951.91 and 3,405,180.05 is: 5,109,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,840.62 : 7,667,951.91 = 3,405,180.05 : x
  2. Step 2: Convert to fraction form
    5,109,840.62/7,667,951.91 = 3,405,180.05/x
  3. Step 3: Cross multiply
    5,109,840.62x = 7,667,951.91 × 3,405,180.05
  4. Step 4: Simplify right side
    5,109,840.62x = 26,110,756,887,461.28
  5. Step 5: Solve for x
    x = 26,110,756,887,461.28/5,109,840.62
  6. Step 6: Final answer
    x = 5,109,896.54

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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.