Home / 3,179,029.19-4,387,175.64-1,821,164.63

Finding the Fourth Proportional to 3,179,029.19, 4,387,175.64 and 1,821,164.63

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Solution

The fourth proportional to 3,179,029.19, 4,387,175.64 and 1,821,164.63 is: 2,513,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,029.19 : 4,387,175.64 = 1,821,164.63 : x
  2. Step 2: Convert to fraction form
    3,179,029.19/4,387,175.64 = 1,821,164.63/x
  3. Step 3: Cross multiply
    3,179,029.19x = 4,387,175.64 × 1,821,164.63
  4. Step 4: Simplify right side
    3,179,029.19x = 7,989,769,079,229.74
  5. Step 5: Solve for x
    x = 7,989,769,079,229.74/3,179,029.19
  6. Step 6: Final answer
    x = 2,513,273.27

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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.