Home / 3,438,188.37-4,744,728.09-2,149,775.64

Finding the Fourth Proportional to 3,438,188.37, 4,744,728.09 and 2,149,775.64

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Solution

The fourth proportional to 3,438,188.37, 4,744,728.09 and 2,149,775.64 is: 2,966,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,188.37 : 4,744,728.09 = 2,149,775.64 : x
  2. Step 2: Convert to fraction form
    3,438,188.37/4,744,728.09 = 2,149,775.64/x
  3. Step 3: Cross multiply
    3,438,188.37x = 4,744,728.09 × 2,149,775.64
  4. Step 4: Simplify right side
    3,438,188.37x = 10,200,100,866,305.73
  5. Step 5: Solve for x
    x = 10,200,100,866,305.73/3,438,188.37
  6. Step 6: Final answer
    x = 2,966,707.98

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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.