Home / 2,168,517.49-2,992,518.23-1,188,448.97

Finding the Fourth Proportional to 2,168,517.49, 2,992,518.23 and 1,188,448.97

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Solution

The fourth proportional to 2,168,517.49, 2,992,518.23 and 1,188,448.97 is: 1,640,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,517.49 : 2,992,518.23 = 1,188,448.97 : x
  2. Step 2: Convert to fraction form
    2,168,517.49/2,992,518.23 = 1,188,448.97/x
  3. Step 3: Cross multiply
    2,168,517.49x = 2,992,518.23 × 1,188,448.97
  4. Step 4: Simplify right side
    2,168,517.49x = 3,556,455,187,244.89
  5. Step 5: Solve for x
    x = 3,556,455,187,244.89/2,168,517.49
  6. Step 6: Final answer
    x = 1,640,039.89

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1.5x scale

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.