Home / 3,889,149.03-5,367,026.70-2,146,819.46

Finding the Fourth Proportional to 3,889,149.03, 5,367,026.70 and 2,146,819.46

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Solution

The fourth proportional to 3,889,149.03, 5,367,026.70 and 2,146,819.46 is: 2,962,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,149.03 : 5,367,026.70 = 2,146,819.46 : x
  2. Step 2: Convert to fraction form
    3,889,149.03/5,367,026.70 = 2,146,819.46/x
  3. Step 3: Cross multiply
    3,889,149.03x = 5,367,026.70 × 2,146,819.46
  4. Step 4: Simplify right side
    3,889,149.03x = 11,522,037,335,064.45
  5. Step 5: Solve for x
    x = 11,522,037,335,064.45/3,889,149.03
  6. Step 6: Final answer
    x = 2,962,611.42

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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.