Home / 3,179,034.48-4,387,182.96-1,821,169.92

Finding the Fourth Proportional to 3,179,034.48, 4,387,182.96 and 1,821,169.92

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Solution

The fourth proportional to 3,179,034.48, 4,387,182.96 and 1,821,169.92 is: 2,513,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,034.48 : 4,387,182.96 = 1,821,169.92 : x
  2. Step 2: Convert to fraction form
    3,179,034.48/4,387,182.96 = 1,821,169.92/x
  3. Step 3: Cross multiply
    3,179,034.48x = 4,387,182.96 × 1,821,169.92
  4. Step 4: Simplify right side
    3,179,034.48x = 7,989,805,640,288.56
  5. Step 5: Solve for x
    x = 7,989,805,640,288.56/3,179,034.48
  6. Step 6: Final answer
    x = 2,513,280.59

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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.