Home / 2,081,072.25-2,871,719.91-1,265,162.70

Finding the Fourth Proportional to 2,081,072.25, 2,871,719.91 and 1,265,162.70

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Solution

The fourth proportional to 2,081,072.25, 2,871,719.91 and 1,265,162.70 is: 1,745,827.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,072.25 : 2,871,719.91 = 1,265,162.70 : x
  2. Step 2: Convert to fraction form
    2,081,072.25/2,871,719.91 = 1,265,162.70/x
  3. Step 3: Cross multiply
    2,081,072.25x = 2,871,719.91 × 1,265,162.70
  4. Step 4: Simplify right side
    2,081,072.25x = 3,633,192,914,979.36
  5. Step 5: Solve for x
    x = 3,633,192,914,979.36/2,081,072.25
  6. Step 6: Final answer
    x = 1,745,827.38

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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.