Home / 2,645,107.14-3,643,768.89-1,917,817.86

Finding the Fourth Proportional to 2,645,107.14, 3,643,768.89 and 1,917,817.86

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Solution

The fourth proportional to 2,645,107.14, 3,643,768.89 and 1,917,817.86 is: 2,641,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,107.14 : 3,643,768.89 = 1,917,817.86 : x
  2. Step 2: Convert to fraction form
    2,645,107.14/3,643,768.89 = 1,917,817.86/x
  3. Step 3: Cross multiply
    2,645,107.14x = 3,643,768.89 × 1,917,817.86
  4. Step 4: Simplify right side
    2,645,107.14x = 6,988,085,054,954.38
  5. Step 5: Solve for x
    x = 6,988,085,054,954.38/2,645,107.14
  6. Step 6: Final answer
    x = 2,641,891.12

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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.