Home / 5,168,084.21-7,131,956.14-2,876,786.18

Finding the Fourth Proportional to 5,168,084.21, 7,131,956.14 and 2,876,786.18

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Solution

The fourth proportional to 5,168,084.21, 7,131,956.14 and 2,876,786.18 is: 3,969,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,084.21 : 7,131,956.14 = 2,876,786.18 : x
  2. Step 2: Convert to fraction form
    5,168,084.21/7,131,956.14 = 2,876,786.18/x
  3. Step 3: Cross multiply
    5,168,084.21x = 7,131,956.14 × 2,876,786.18
  4. Step 4: Simplify right side
    5,168,084.21x = 20,517,112,854,599.18
  5. Step 5: Solve for x
    x = 20,517,112,854,599.18/5,168,084.21
  6. Step 6: Final answer
    x = 3,969,964.89

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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.