Home / 3,869,043.40-5,809,094.70-2,189,427.40

Finding the Fourth Proportional to 3,869,043.40, 5,809,094.70 and 2,189,427.40

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Solution

The fourth proportional to 3,869,043.40, 5,809,094.70 and 2,189,427.40 is: 3,287,270.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869,043.40 : 5,809,094.70 = 2,189,427.40 : x
  2. Step 2: Convert to fraction form
    3,869,043.40/5,809,094.70 = 2,189,427.40/x
  3. Step 3: Cross multiply
    3,869,043.40x = 5,809,094.70 × 2,189,427.40
  4. Step 4: Simplify right side
    3,869,043.40x = 12,718,591,105,374.78
  5. Step 5: Solve for x
    x = 12,718,591,105,374.78/3,869,043.40
  6. Step 6: Final answer
    x = 3,287,270.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.