Home / 3,886,103.68-5,367,005.49-2,958,436.60

Finding the Fourth Proportional to 3,886,103.68, 5,367,005.49 and 2,958,436.60

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Solution

The fourth proportional to 3,886,103.68, 5,367,005.49 and 2,958,436.60 is: 4,085,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,103.68 : 5,367,005.49 = 2,958,436.60 : x
  2. Step 2: Convert to fraction form
    3,886,103.68/5,367,005.49 = 2,958,436.60/x
  3. Step 3: Cross multiply
    3,886,103.68x = 5,367,005.49 × 2,958,436.60
  4. Step 4: Simplify right side
    3,886,103.68x = 15,877,945,471,693.56
  5. Step 5: Solve for x
    x = 15,877,945,471,693.56/3,886,103.68
  6. Step 6: Final answer
    x = 4,085,826.52

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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.