Home / 3,876,073.75-5,348,981.78-2,157,600.23

Finding the Fourth Proportional to 3,876,073.75, 5,348,981.78 and 2,157,600.23

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Solution

The fourth proportional to 3,876,073.75, 5,348,981.78 and 2,157,600.23 is: 2,977,488.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,073.75 : 5,348,981.78 = 2,157,600.23 : x
  2. Step 2: Convert to fraction form
    3,876,073.75/5,348,981.78 = 2,157,600.23/x
  3. Step 3: Cross multiply
    3,876,073.75x = 5,348,981.78 × 2,157,600.23
  4. Step 4: Simplify right side
    3,876,073.75x = 11,540,964,318,793.81
  5. Step 5: Solve for x
    x = 11,540,964,318,793.81/3,876,073.75
  6. Step 6: Final answer
    x = 2,977,488.32

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1.5x scale

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.