Home / 1,932,865.97-2,668,689.45-1,208,039.49

Finding the Fourth Proportional to 1,932,865.97, 2,668,689.45 and 1,208,039.49

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Solution

The fourth proportional to 1,932,865.97, 2,668,689.45 and 1,208,039.49 is: 1,667,928.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,865.97 : 2,668,689.45 = 1,208,039.49 : x
  2. Step 2: Convert to fraction form
    1,932,865.97/2,668,689.45 = 1,208,039.49/x
  3. Step 3: Cross multiply
    1,932,865.97x = 2,668,689.45 × 1,208,039.49
  4. Step 4: Simplify right side
    1,932,865.97x = 3,223,882,242,146.38
  5. Step 5: Solve for x
    x = 3,223,882,242,146.38/1,932,865.97
  6. Step 6: Final answer
    x = 1,667,928.51

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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.