Home / 3,876,223-5,349,695.40-2,223,017.80

Finding the Fourth Proportional to 3,876,223, 5,349,695.40 and 2,223,017.80

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Solution

The fourth proportional to 3,876,223, 5,349,695.40 and 2,223,017.80 is: 3,068,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,223 : 5,349,695.40 = 2,223,017.80 : x
  2. Step 2: Convert to fraction form
    3,876,223/5,349,695.40 = 2,223,017.80/x
  3. Step 3: Cross multiply
    3,876,223x = 5,349,695.40 × 2,223,017.80
  4. Step 4: Simplify right side
    3,876,223x = 11,892,468,098,778.12
  5. Step 5: Solve for x
    x = 11,892,468,098,778.12/3,876,223
  6. Step 6: Final answer
    x = 3,068,055.71

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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.