Home / 2,638,257.28-3,635,819.20-2,114,372.82

Finding the Fourth Proportional to 2,638,257.28, 3,635,819.20 and 2,114,372.82

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Solution

The fourth proportional to 2,638,257.28, 3,635,819.20 and 2,114,372.82 is: 2,913,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,257.28 : 3,635,819.20 = 2,114,372.82 : x
  2. Step 2: Convert to fraction form
    2,638,257.28/3,635,819.20 = 2,114,372.82/x
  3. Step 3: Cross multiply
    2,638,257.28x = 3,635,819.20 × 2,114,372.82
  4. Step 4: Simplify right side
    2,638,257.28x = 7,687,477,294,914.14
  5. Step 5: Solve for x
    x = 7,687,477,294,914.14/2,638,257.28
  6. Step 6: Final answer
    x = 2,913,846.71

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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.