Home / 3,859,620-5,322,789.36-2,409,449.46

Finding the Fourth Proportional to 3,859,620, 5,322,789.36 and 2,409,449.46

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Solution

The fourth proportional to 3,859,620, 5,322,789.36 and 2,409,449.46 is: 3,322,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859,620 : 5,322,789.36 = 2,409,449.46 : x
  2. Step 2: Convert to fraction form
    3,859,620/5,322,789.36 = 2,409,449.46/x
  3. Step 3: Cross multiply
    3,859,620x = 5,322,789.36 × 2,409,449.46
  4. Step 4: Simplify right side
    3,859,620x = 12,824,991,949,145.75
  5. Step 5: Solve for x
    x = 12,824,991,949,145.75/3,859,620
  6. Step 6: Final answer
    x = 3,322,863.90

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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.