Home / 2,830,107.72-3,907,975.86-2,738,596.44

Finding the Fourth Proportional to 2,830,107.72, 3,907,975.86 and 2,738,596.44

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Solution

The fourth proportional to 2,830,107.72, 3,907,975.86 and 2,738,596.44 is: 3,781,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830,107.72 : 3,907,975.86 = 2,738,596.44 : x
  2. Step 2: Convert to fraction form
    2,830,107.72/3,907,975.86 = 2,738,596.44/x
  3. Step 3: Cross multiply
    2,830,107.72x = 3,907,975.86 × 2,738,596.44
  4. Step 4: Simplify right side
    2,830,107.72x = 10,702,368,777,801.94
  5. Step 5: Solve for x
    x = 10,702,368,777,801.94/2,830,107.72
  6. Step 6: Final answer
    x = 3,781,611.81

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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.