Home / 3,391,068.72-5,086,590.12-866,719.92

Finding the Fourth Proportional to 3,391,068.72, 5,086,590.12 and 866,719.92

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Solution

The fourth proportional to 3,391,068.72, 5,086,590.12 and 866,719.92 is: 1,300,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,068.72 : 5,086,590.12 = 866,719.92 : x
  2. Step 2: Convert to fraction form
    3,391,068.72/5,086,590.12 = 866,719.92/x
  3. Step 3: Cross multiply
    3,391,068.72x = 5,086,590.12 × 866,719.92
  4. Step 4: Simplify right side
    3,391,068.72x = 4,408,648,981,879.19
  5. Step 5: Solve for x
    x = 4,408,648,981,879.19/3,391,068.72
  6. Step 6: Final answer
    x = 1,300,076.57

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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.