Home / 2,136,928.40-3,204,355.80-1,189,293.20

Finding the Fourth Proportional to 2,136,928.40, 3,204,355.80 and 1,189,293.20

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Solution

The fourth proportional to 2,136,928.40, 3,204,355.80 and 1,189,293.20 is: 1,783,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,928.40 : 3,204,355.80 = 1,189,293.20 : x
  2. Step 2: Convert to fraction form
    2,136,928.40/3,204,355.80 = 1,189,293.20/x
  3. Step 3: Cross multiply
    2,136,928.40x = 3,204,355.80 × 1,189,293.20
  4. Step 4: Simplify right side
    2,136,928.40x = 3,810,918,563,320.56
  5. Step 5: Solve for x
    x = 3,810,918,563,320.56/2,136,928.40
  6. Step 6: Final answer
    x = 1,783,362.78

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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.