Home / 3,939,275.92-5,436,618.69-2,309,052.97

Finding the Fourth Proportional to 3,939,275.92, 5,436,618.69 and 2,309,052.97

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Solution

The fourth proportional to 3,939,275.92, 5,436,618.69 and 2,309,052.97 is: 3,186,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,275.92 : 5,436,618.69 = 2,309,052.97 : x
  2. Step 2: Convert to fraction form
    3,939,275.92/5,436,618.69 = 2,309,052.97/x
  3. Step 3: Cross multiply
    3,939,275.92x = 5,436,618.69 × 2,309,052.97
  4. Step 4: Simplify right side
    3,939,275.92x = 12,553,440,532,902.01
  5. Step 5: Solve for x
    x = 12,553,440,532,902.01/3,939,275.92
  6. Step 6: Final answer
    x = 3,186,738.07

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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.