Home / 2,538,676.54-3,808,023.72-645,418.18

Finding the Fourth Proportional to 2,538,676.54, 3,808,023.72 and 645,418.18

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Solution

The fourth proportional to 2,538,676.54, 3,808,023.72 and 645,418.18 is: 968,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,676.54 : 3,808,023.72 = 645,418.18 : x
  2. Step 2: Convert to fraction form
    2,538,676.54/3,808,023.72 = 645,418.18/x
  3. Step 3: Cross multiply
    2,538,676.54x = 3,808,023.72 × 645,418.18
  4. Step 4: Simplify right side
    2,538,676.54x = 2,457,767,738,759.23
  5. Step 5: Solve for x
    x = 2,457,767,738,759.23/2,538,676.54
  6. Step 6: Final answer
    x = 968,129.54

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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.