Home / 2,538,353.22-3,807,542.78-855,471.30

Finding the Fourth Proportional to 2,538,353.22, 3,807,542.78 and 855,471.30

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Solution

The fourth proportional to 2,538,353.22, 3,807,542.78 and 855,471.30 is: 1,283,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,353.22 : 3,807,542.78 = 855,471.30 : x
  2. Step 2: Convert to fraction form
    2,538,353.22/3,807,542.78 = 855,471.30/x
  3. Step 3: Cross multiply
    2,538,353.22x = 3,807,542.78 × 855,471.30
  4. Step 4: Simplify right side
    2,538,353.22x = 3,257,243,571,812.21
  5. Step 5: Solve for x
    x = 3,257,243,571,812.21/2,538,353.22
  6. Step 6: Final answer
    x = 1,283,211.31

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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.