Home / 3,418,647.98-5,126,078.81-1,398,310.58

Finding the Fourth Proportional to 3,418,647.98, 5,126,078.81 and 1,398,310.58

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Solution

The fourth proportional to 3,418,647.98, 5,126,078.81 and 1,398,310.58 is: 2,096,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,647.98 : 5,126,078.81 = 1,398,310.58 : x
  2. Step 2: Convert to fraction form
    3,418,647.98/5,126,078.81 = 1,398,310.58/x
  3. Step 3: Cross multiply
    3,418,647.98x = 5,126,078.81 × 1,398,310.58
  4. Step 4: Simplify right side
    3,418,647.98x = 7,167,850,250,247.78
  5. Step 5: Solve for x
    x = 7,167,850,250,247.78/3,418,647.98
  6. Step 6: Final answer
    x = 2,096,691.53

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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.