Home / 4,815,999.82-7,223,917.11-1,621,125.73

Finding the Fourth Proportional to 4,815,999.82, 7,223,917.11 and 1,621,125.73

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Solution

The fourth proportional to 4,815,999.82, 7,223,917.11 and 1,621,125.73 is: 2,431,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,999.82 : 7,223,917.11 = 1,621,125.73 : x
  2. Step 2: Convert to fraction form
    4,815,999.82/7,223,917.11 = 1,621,125.73/x
  3. Step 3: Cross multiply
    4,815,999.82x = 7,223,917.11 × 1,621,125.73
  4. Step 4: Simplify right side
    4,815,999.82x = 11,710,877,898,408.24
  5. Step 5: Solve for x
    x = 11,710,877,898,408.24/4,815,999.82
  6. Step 6: Final answer
    x = 2,431,660.78

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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.