Home / 2,091,345.78-3,135,642.03-1,379,202.42

Finding the Fourth Proportional to 2,091,345.78, 3,135,642.03 and 1,379,202.42

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Solution

The fourth proportional to 2,091,345.78, 3,135,642.03 and 1,379,202.42 is: 2,067,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,345.78 : 3,135,642.03 = 1,379,202.42 : x
  2. Step 2: Convert to fraction form
    2,091,345.78/3,135,642.03 = 1,379,202.42/x
  3. Step 3: Cross multiply
    2,091,345.78x = 3,135,642.03 × 1,379,202.42
  4. Step 4: Simplify right side
    2,091,345.78x = 4,324,685,076,029.71
  5. Step 5: Solve for x
    x = 4,324,685,076,029.71/2,091,345.78
  6. Step 6: Final answer
    x = 2,067,895.76

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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.