Home / 3,876,221-5,349,692.64-2,223,015.80

Finding the Fourth Proportional to 3,876,221, 5,349,692.64 and 2,223,015.80

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Solution

The fourth proportional to 3,876,221, 5,349,692.64 and 2,223,015.80 is: 3,068,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,221 : 5,349,692.64 = 2,223,015.80 : x
  2. Step 2: Convert to fraction form
    3,876,221/5,349,692.64 = 2,223,015.80/x
  3. Step 3: Cross multiply
    3,876,221x = 5,349,692.64 × 2,223,015.80
  4. Step 4: Simplify right side
    3,876,221x = 11,892,451,263,863.71
  5. Step 5: Solve for x
    x = 11,892,451,263,863.71/3,876,221
  6. Step 6: Final answer
    x = 3,068,052.95

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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.