Home / 3,920,121.60-5,409,391.32-2,200,848

Finding the Fourth Proportional to 3,920,121.60, 5,409,391.32 and 2,200,848

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Solution

The fourth proportional to 3,920,121.60, 5,409,391.32 and 2,200,848 is: 3,036,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,121.60 : 5,409,391.32 = 2,200,848 : x
  2. Step 2: Convert to fraction form
    3,920,121.60/5,409,391.32 = 2,200,848/x
  3. Step 3: Cross multiply
    3,920,121.60x = 5,409,391.32 × 2,200,848
  4. Step 4: Simplify right side
    3,920,121.60x = 11,905,248,067,839.36
  5. Step 5: Solve for x
    x = 11,905,248,067,839.36/3,920,121.60
  6. Step 6: Final answer
    x = 3,036,958.87

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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.