Home / 4,806,163.20-7,203,412.80-2,780,515.20

Finding the Fourth Proportional to 4,806,163.20, 7,203,412.80 and 2,780,515.20

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Solution

The fourth proportional to 4,806,163.20, 7,203,412.80 and 2,780,515.20 is: 4,167,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806,163.20 : 7,203,412.80 = 2,780,515.20 : x
  2. Step 2: Convert to fraction form
    4,806,163.20/7,203,412.80 = 2,780,515.20/x
  3. Step 3: Cross multiply
    4,806,163.20x = 7,203,412.80 × 2,780,515.20
  4. Step 4: Simplify right side
    4,806,163.20x = 20,029,198,782,274.56
  5. Step 5: Solve for x
    x = 20,029,198,782,274.56/4,806,163.20
  6. Step 6: Final answer
    x = 4,167,398.81

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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.