Home / 3,876,062.12-5,348,965.73-2,157,588.60

Finding the Fourth Proportional to 3,876,062.12, 5,348,965.73 and 2,157,588.60

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Solution

The fourth proportional to 3,876,062.12, 5,348,965.73 and 2,157,588.60 is: 2,977,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,062.12 : 5,348,965.73 = 2,157,588.60 : x
  2. Step 2: Convert to fraction form
    3,876,062.12/5,348,965.73 = 2,157,588.60/x
  3. Step 3: Cross multiply
    3,876,062.12x = 5,348,965.73 × 2,157,588.60
  4. Step 4: Simplify right side
    3,876,062.12x = 11,540,867,480,838.68
  5. Step 5: Solve for x
    x = 11,540,867,480,838.68/3,876,062.12
  6. Step 6: Final answer
    x = 2,977,472.27

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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.