Home / 3,879,551.60-5,353,946.64-2,160,672.14

Finding the Fourth Proportional to 3,879,551.60, 5,353,946.64 and 2,160,672.14

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Solution

The fourth proportional to 3,879,551.60, 5,353,946.64 and 2,160,672.14 is: 2,981,819.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,551.60 : 5,353,946.64 = 2,160,672.14 : x
  2. Step 2: Convert to fraction form
    3,879,551.60/5,353,946.64 = 2,160,672.14/x
  3. Step 3: Cross multiply
    3,879,551.60x = 5,353,946.64 × 2,160,672.14
  4. Step 4: Simplify right side
    3,879,551.60x = 11,568,123,344,094.61
  5. Step 5: Solve for x
    x = 11,568,123,344,094.61/3,879,551.60
  6. Step 6: Final answer
    x = 2,981,819.69

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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.