Home / 3,898,078.02-5,379,514.56-2,179,198.08

Finding the Fourth Proportional to 3,898,078.02, 5,379,514.56 and 2,179,198.08

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Solution

The fourth proportional to 3,898,078.02, 5,379,514.56 and 2,179,198.08 is: 3,007,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898,078.02 : 5,379,514.56 = 2,179,198.08 : x
  2. Step 2: Convert to fraction form
    3,898,078.02/5,379,514.56 = 2,179,198.08/x
  3. Step 3: Cross multiply
    3,898,078.02x = 5,379,514.56 × 2,179,198.08
  4. Step 4: Simplify right side
    3,898,078.02x = 11,723,027,800,484.04
  5. Step 5: Solve for x
    x = 11,723,027,800,484.04/3,898,078.02
  6. Step 6: Final answer
    x = 3,007,386.65

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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.