Home / 2,190,918.81-3,286,072.04-751,578.72

Finding the Fourth Proportional to 2,190,918.81, 3,286,072.04 and 751,578.72

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Solution

The fourth proportional to 2,190,918.81, 3,286,072.04 and 751,578.72 is: 1,127,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,918.81 : 3,286,072.04 = 751,578.72 : x
  2. Step 2: Convert to fraction form
    2,190,918.81/3,286,072.04 = 751,578.72/x
  3. Step 3: Cross multiply
    2,190,918.81x = 3,286,072.04 × 751,578.72
  4. Step 4: Simplify right side
    2,190,918.81x = 2,469,741,813,893.10
  5. Step 5: Solve for x
    x = 2,469,741,813,893.10/2,190,918.81
  6. Step 6: Final answer
    x = 1,127,263.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.