Home / 2,530,142.05-3,491,635.40-1,384,241.53

Finding the Fourth Proportional to 2,530,142.05, 3,491,635.40 and 1,384,241.53

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Solution

The fourth proportional to 2,530,142.05, 3,491,635.40 and 1,384,241.53 is: 1,910,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530,142.05 : 3,491,635.40 = 1,384,241.53 : x
  2. Step 2: Convert to fraction form
    2,530,142.05/3,491,635.40 = 1,384,241.53/x
  3. Step 3: Cross multiply
    2,530,142.05x = 3,491,635.40 × 1,384,241.53
  4. Step 4: Simplify right side
    2,530,142.05x = 4,833,266,728,298.16
  5. Step 5: Solve for x
    x = 4,833,266,728,298.16/2,530,142.05
  6. Step 6: Final answer
    x = 1,910,274.85

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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.