Home / 3,431,992.25-4,738,367.92-2,126,629.51

Finding the Fourth Proportional to 3,431,992.25, 4,738,367.92 and 2,126,629.51

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Solution

The fourth proportional to 3,431,992.25, 4,738,367.92 and 2,126,629.51 is: 2,936,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,992.25 : 4,738,367.92 = 2,126,629.51 : x
  2. Step 2: Convert to fraction form
    3,431,992.25/4,738,367.92 = 2,126,629.51/x
  3. Step 3: Cross multiply
    3,431,992.25x = 4,738,367.92 × 2,126,629.51
  4. Step 4: Simplify right side
    3,431,992.25x = 10,076,753,047,909.32
  5. Step 5: Solve for x
    x = 10,076,753,047,909.32/3,431,992.25
  6. Step 6: Final answer
    x = 2,936,123.49

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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.