Home / 3,427,691.49-5,140,344.82-1,377,743.46

Finding the Fourth Proportional to 3,427,691.49, 5,140,344.82 and 1,377,743.46

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Solution

The fourth proportional to 3,427,691.49, 5,140,344.82 and 1,377,743.46 is: 2,066,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,691.49 : 5,140,344.82 = 1,377,743.46 : x
  2. Step 2: Convert to fraction form
    3,427,691.49/5,140,344.82 = 1,377,743.46/x
  3. Step 3: Cross multiply
    3,427,691.49x = 5,140,344.82 × 1,377,743.46
  4. Step 4: Simplify right side
    3,427,691.49x = 7,082,076,457,899.88
  5. Step 5: Solve for x
    x = 7,082,076,457,899.88/3,427,691.49
  6. Step 6: Final answer
    x = 2,066,135.90

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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.