Home / 1,491,841.31-2,239,327.19-1,322,148.74

Finding the Fourth Proportional to 1,491,841.31, 2,239,327.19 and 1,322,148.74

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Solution

The fourth proportional to 1,491,841.31, 2,239,327.19 and 1,322,148.74 is: 1,984,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,841.31 : 2,239,327.19 = 1,322,148.74 : x
  2. Step 2: Convert to fraction form
    1,491,841.31/2,239,327.19 = 1,322,148.74/x
  3. Step 3: Cross multiply
    1,491,841.31x = 2,239,327.19 × 1,322,148.74
  4. Step 4: Simplify right side
    1,491,841.31x = 2,960,723,623,692.65
  5. Step 5: Solve for x
    x = 2,960,723,623,692.65/1,491,841.31
  6. Step 6: Final answer
    x = 1,984,610.30

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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.