Home / 3,879,000.44-5,353,142.34-2,136,796.14

Finding the Fourth Proportional to 3,879,000.44, 5,353,142.34 and 2,136,796.14

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Solution

The fourth proportional to 3,879,000.44, 5,353,142.34 and 2,136,796.14 is: 2,948,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,000.44 : 5,353,142.34 = 2,136,796.14 : x
  2. Step 2: Convert to fraction form
    3,879,000.44/5,353,142.34 = 2,136,796.14/x
  3. Step 3: Cross multiply
    3,879,000.44x = 5,353,142.34 × 2,136,796.14
  4. Step 4: Simplify right side
    3,879,000.44x = 11,438,573,888,982.57
  5. Step 5: Solve for x
    x = 11,438,573,888,982.57/3,879,000.44
  6. Step 6: Final answer
    x = 2,948,845.74

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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.