Home / 3,391,020.72-5,086,518.12-866,671.92

Finding the Fourth Proportional to 3,391,020.72, 5,086,518.12 and 866,671.92

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Solution

The fourth proportional to 3,391,020.72, 5,086,518.12 and 866,671.92 is: 1,300,004.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,020.72 : 5,086,518.12 = 866,671.92 : x
  2. Step 2: Convert to fraction form
    3,391,020.72/5,086,518.12 = 866,671.92/x
  3. Step 3: Cross multiply
    3,391,020.72x = 5,086,518.12 × 866,671.92
  4. Step 4: Simplify right side
    3,391,020.72x = 4,408,342,425,175.19
  5. Step 5: Solve for x
    x = 4,408,342,425,175.19/3,391,020.72
  6. Step 6: Final answer
    x = 1,300,004.57

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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.