Home / 2,157,551.24-3,236,676.78-809,819.24

Finding the Fourth Proportional to 2,157,551.24, 3,236,676.78 and 809,819.24

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Solution

The fourth proportional to 2,157,551.24, 3,236,676.78 and 809,819.24 is: 1,214,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,551.24 : 3,236,676.78 = 809,819.24 : x
  2. Step 2: Convert to fraction form
    2,157,551.24/3,236,676.78 = 809,819.24/x
  3. Step 3: Cross multiply
    2,157,551.24x = 3,236,676.78 × 809,819.24
  4. Step 4: Simplify right side
    2,157,551.24x = 2,621,123,130,105.25
  5. Step 5: Solve for x
    x = 2,621,123,130,105.25/2,157,551.24
  6. Step 6: Final answer
    x = 1,214,860.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.