Home / 3,879,680.93-5,353,748.73-2,137,010.70

Finding the Fourth Proportional to 3,879,680.93, 5,353,748.73 and 2,137,010.70

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Solution

The fourth proportional to 3,879,680.93, 5,353,748.73 and 2,137,010.70 is: 2,948,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,680.93 : 5,353,748.73 = 2,137,010.70 : x
  2. Step 2: Convert to fraction form
    3,879,680.93/5,353,748.73 = 2,137,010.70/x
  3. Step 3: Cross multiply
    3,879,680.93x = 5,353,748.73 × 2,137,010.70
  4. Step 4: Simplify right side
    3,879,680.93x = 11,441,018,321,121.41
  5. Step 5: Solve for x
    x = 11,441,018,321,121.41/3,879,680.93
  6. Step 6: Final answer
    x = 2,948,958.57

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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.