Home / 3,889,141.39-5,367,007.24-2,170,159.39

Finding the Fourth Proportional to 3,889,141.39, 5,367,007.24 and 2,170,159.39

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Solution

The fourth proportional to 3,889,141.39, 5,367,007.24 and 2,170,159.39 is: 2,994,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,141.39 : 5,367,007.24 = 2,170,159.39 : x
  2. Step 2: Convert to fraction form
    3,889,141.39/5,367,007.24 = 2,170,159.39/x
  3. Step 3: Cross multiply
    3,889,141.39x = 5,367,007.24 × 2,170,159.39
  4. Step 4: Simplify right side
    3,889,141.39x = 11,647,261,158,083.98
  5. Step 5: Solve for x
    x = 11,647,261,158,083.98/3,889,141.39
  6. Step 6: Final answer
    x = 2,994,815.56

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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.