Home / 3,179,322.92-4,387,424.37-1,728,987.48

Finding the Fourth Proportional to 3,179,322.92, 4,387,424.37 and 1,728,987.48

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Solution

The fourth proportional to 3,179,322.92, 4,387,424.37 and 1,728,987.48 is: 2,385,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,322.92 : 4,387,424.37 = 1,728,987.48 : x
  2. Step 2: Convert to fraction form
    3,179,322.92/4,387,424.37 = 1,728,987.48/x
  3. Step 3: Cross multiply
    3,179,322.92x = 4,387,424.37 × 1,728,987.48
  4. Step 4: Simplify right side
    3,179,322.92x = 7,585,801,798,693.19
  5. Step 5: Solve for x
    x = 7,585,801,798,693.19/3,179,322.92
  6. Step 6: Final answer
    x = 2,385,980.28

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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.