Home / 4,189,759.68-5,782,115.76-3,155,443.20

Finding the Fourth Proportional to 4,189,759.68, 5,782,115.76 and 3,155,443.20

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Solution

The fourth proportional to 4,189,759.68, 5,782,115.76 and 3,155,443.20 is: 4,354,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189,759.68 : 5,782,115.76 = 3,155,443.20 : x
  2. Step 2: Convert to fraction form
    4,189,759.68/5,782,115.76 = 3,155,443.20/x
  3. Step 3: Cross multiply
    4,189,759.68x = 5,782,115.76 × 3,155,443.20
  4. Step 4: Simplify right side
    4,189,759.68x = 18,245,137,856,504.83
  5. Step 5: Solve for x
    x = 18,245,137,856,504.83/4,189,759.68
  6. Step 6: Final answer
    x = 4,354,697.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.