Home / 3,876,055.11-5,348,956.07-2,157,581.58

Finding the Fourth Proportional to 3,876,055.11, 5,348,956.07 and 2,157,581.58

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Solution

The fourth proportional to 3,876,055.11, 5,348,956.07 and 2,157,581.58 is: 2,977,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,055.11 : 5,348,956.07 = 2,157,581.58 : x
  2. Step 2: Convert to fraction form
    3,876,055.11/5,348,956.07 = 2,157,581.58/x
  3. Step 3: Cross multiply
    3,876,055.11x = 5,348,956.07 × 2,157,581.58
  4. Step 4: Simplify right side
    3,876,055.11x = 11,540,809,078,073.28
  5. Step 5: Solve for x
    x = 11,540,809,078,073.28/3,876,055.11
  6. Step 6: Final answer
    x = 2,977,462.59

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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.