Home / 2,728,787.40-3,765,742.38-1,505,136.60

Finding the Fourth Proportional to 2,728,787.40, 3,765,742.38 and 1,505,136.60

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Solution

The fourth proportional to 2,728,787.40, 3,765,742.38 and 1,505,136.60 is: 2,077,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,787.40 : 3,765,742.38 = 1,505,136.60 : x
  2. Step 2: Convert to fraction form
    2,728,787.40/3,765,742.38 = 1,505,136.60/x
  3. Step 3: Cross multiply
    2,728,787.40x = 3,765,742.38 × 1,505,136.60
  4. Step 4: Simplify right side
    2,728,787.40x = 5,667,956,682,309.11
  5. Step 5: Solve for x
    x = 5,667,956,682,309.11/2,728,787.40
  6. Step 6: Final answer
    x = 2,077,097.21

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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.