Home / 3,240,149.21-4,468,056.76-2,782,778.21

Finding the Fourth Proportional to 3,240,149.21, 4,468,056.76 and 2,782,778.21

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Solution

The fourth proportional to 3,240,149.21, 4,468,056.76 and 2,782,778.21 is: 3,837,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,149.21 : 4,468,056.76 = 2,782,778.21 : x
  2. Step 2: Convert to fraction form
    3,240,149.21/4,468,056.76 = 2,782,778.21/x
  3. Step 3: Cross multiply
    3,240,149.21x = 4,468,056.76 × 2,782,778.21
  4. Step 4: Simplify right side
    3,240,149.21x = 12,433,610,992,771.20
  5. Step 5: Solve for x
    x = 12,433,610,992,771.20/3,240,149.21
  6. Step 6: Final answer
    x = 3,837,357.54

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1.5x scale

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.