Home / 3,753,611.14-5,179,928.59-2,121,964.29

Finding the Fourth Proportional to 3,753,611.14, 5,179,928.59 and 2,121,964.29

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Solution

The fourth proportional to 3,753,611.14, 5,179,928.59 and 2,121,964.29 is: 2,928,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753,611.14 : 5,179,928.59 = 2,121,964.29 : x
  2. Step 2: Convert to fraction form
    3,753,611.14/5,179,928.59 = 2,121,964.29/x
  3. Step 3: Cross multiply
    3,753,611.14x = 5,179,928.59 × 2,121,964.29
  4. Step 4: Simplify right side
    3,753,611.14x = 10,991,623,492,730.05
  5. Step 5: Solve for x
    x = 10,991,623,492,730.05/3,753,611.14
  6. Step 6: Final answer
    x = 2,928,279.75

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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.