Home / 3,879,548.60-5,353,942.50-2,160,669.14

Finding the Fourth Proportional to 3,879,548.60, 5,353,942.50 and 2,160,669.14

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Solution

The fourth proportional to 3,879,548.60, 5,353,942.50 and 2,160,669.14 is: 2,981,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,548.60 : 5,353,942.50 = 2,160,669.14 : x
  2. Step 2: Convert to fraction form
    3,879,548.60/5,353,942.50 = 2,160,669.14/x
  3. Step 3: Cross multiply
    3,879,548.60x = 5,353,942.50 × 2,160,669.14
  4. Step 4: Simplify right side
    3,879,548.60x = 11,568,098,310,314.74
  5. Step 5: Solve for x
    x = 11,568,098,310,314.74/3,879,548.60
  6. Step 6: Final answer
    x = 2,981,815.55

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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.