Home / 2,993,868.78-4,131,540.62-1,617,212.49

Finding the Fourth Proportional to 2,993,868.78, 4,131,540.62 and 1,617,212.49

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Solution

The fourth proportional to 2,993,868.78, 4,131,540.62 and 1,617,212.49 is: 2,231,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,868.78 : 4,131,540.62 = 1,617,212.49 : x
  2. Step 2: Convert to fraction form
    2,993,868.78/4,131,540.62 = 1,617,212.49/x
  3. Step 3: Cross multiply
    2,993,868.78x = 4,131,540.62 × 1,617,212.49
  4. Step 4: Simplify right side
    2,993,868.78x = 6,681,579,093,606.34
  5. Step 5: Solve for x
    x = 6,681,579,093,606.34/2,993,868.78
  6. Step 6: Final answer
    x = 2,231,754.16

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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.