Home / 3,622,431.44-4,999,067.89-1,990,809.16

Finding the Fourth Proportional to 3,622,431.44, 4,999,067.89 and 1,990,809.16

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Solution

The fourth proportional to 3,622,431.44, 4,999,067.89 and 1,990,809.16 is: 2,747,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,431.44 : 4,999,067.89 = 1,990,809.16 : x
  2. Step 2: Convert to fraction form
    3,622,431.44/4,999,067.89 = 1,990,809.16/x
  3. Step 3: Cross multiply
    3,622,431.44x = 4,999,067.89 × 1,990,809.16
  4. Step 4: Simplify right side
    3,622,431.44x = 9,952,190,129,399.18
  5. Step 5: Solve for x
    x = 9,952,190,129,399.18/3,622,431.44
  6. Step 6: Final answer
    x = 2,747,378.46

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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.