Home / 2,847,144.42-3,929,059.17-1,557,984.90

Finding the Fourth Proportional to 2,847,144.42, 3,929,059.17 and 1,557,984.90

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Solution

The fourth proportional to 2,847,144.42, 3,929,059.17 and 1,557,984.90 is: 2,150,019.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,144.42 : 3,929,059.17 = 1,557,984.90 : x
  2. Step 2: Convert to fraction form
    2,847,144.42/3,929,059.17 = 1,557,984.90/x
  3. Step 3: Cross multiply
    2,847,144.42x = 3,929,059.17 × 1,557,984.90
  4. Step 4: Simplify right side
    2,847,144.42x = 6,121,414,858,066.53
  5. Step 5: Solve for x
    x = 6,121,414,858,066.53/2,847,144.42
  6. Step 6: Final answer
    x = 2,150,019.09

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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.