Home / 5,200,493.80-7,801,571.76-1,605,415.72

Finding the Fourth Proportional to 5,200,493.80, 7,801,571.76 and 1,605,415.72

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Solution

The fourth proportional to 5,200,493.80, 7,801,571.76 and 1,605,415.72 is: 2,408,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,493.80 : 7,801,571.76 = 1,605,415.72 : x
  2. Step 2: Convert to fraction form
    5,200,493.80/7,801,571.76 = 1,605,415.72/x
  3. Step 3: Cross multiply
    5,200,493.80x = 7,801,571.76 × 1,605,415.72
  4. Step 4: Simplify right side
    5,200,493.80x = 12,524,765,944,212.07
  5. Step 5: Solve for x
    x = 12,524,765,944,212.07/5,200,493.80
  6. Step 6: Final answer
    x = 2,408,380.13

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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.