Home / 5,346,234.78-8,019,726.81-2,151,375.90

Finding the Fourth Proportional to 5,346,234.78, 8,019,726.81 and 2,151,375.90

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Solution

The fourth proportional to 5,346,234.78, 8,019,726.81 and 2,151,375.90 is: 3,227,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,234.78 : 8,019,726.81 = 2,151,375.90 : x
  2. Step 2: Convert to fraction form
    5,346,234.78/8,019,726.81 = 2,151,375.90/x
  3. Step 3: Cross multiply
    5,346,234.78x = 8,019,726.81 × 2,151,375.90
  4. Step 4: Simplify right side
    5,346,234.78x = 17,253,446,983,617.88
  5. Step 5: Solve for x
    x = 17,253,446,983,617.88/5,346,234.78
  6. Step 6: Final answer
    x = 3,227,214.61

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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.