Home / 3,979,840.16-5,492,197.96-2,261,055

Finding the Fourth Proportional to 3,979,840.16, 5,492,197.96 and 2,261,055

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Solution

The fourth proportional to 3,979,840.16, 5,492,197.96 and 2,261,055 is: 3,120,266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,840.16 : 5,492,197.96 = 2,261,055 : x
  2. Step 2: Convert to fraction form
    3,979,840.16/5,492,197.96 = 2,261,055/x
  3. Step 3: Cross multiply
    3,979,840.16x = 5,492,197.96 × 2,261,055
  4. Step 4: Simplify right side
    3,979,840.16x = 12,418,161,658,447.80
  5. Step 5: Solve for x
    x = 12,418,161,658,447.80/3,979,840.16
  6. Step 6: Final answer
    x = 3,120,266.43

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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.