Home / 3,869,914.73-5,340,546.27-2,127,657.78

Finding the Fourth Proportional to 3,869,914.73, 5,340,546.27 and 2,127,657.78

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Solution

The fourth proportional to 3,869,914.73, 5,340,546.27 and 2,127,657.78 is: 2,936,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869,914.73 : 5,340,546.27 = 2,127,657.78 : x
  2. Step 2: Convert to fraction form
    3,869,914.73/5,340,546.27 = 2,127,657.78/x
  3. Step 3: Cross multiply
    3,869,914.73x = 5,340,546.27 × 2,127,657.78
  4. Step 4: Simplify right side
    3,869,914.73x = 11,362,854,820,815.48
  5. Step 5: Solve for x
    x = 11,362,854,820,815.48/3,869,914.73
  6. Step 6: Final answer
    x = 2,936,202.90

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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.