Home / 2,131,319.04-2,940,194.91-1,549,640.80

Finding the Fourth Proportional to 2,131,319.04, 2,940,194.91 and 1,549,640.80

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Solution

The fourth proportional to 2,131,319.04, 2,940,194.91 and 1,549,640.80 is: 2,137,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,319.04 : 2,940,194.91 = 1,549,640.80 : x
  2. Step 2: Convert to fraction form
    2,131,319.04/2,940,194.91 = 1,549,640.80/x
  3. Step 3: Cross multiply
    2,131,319.04x = 2,940,194.91 × 1,549,640.80
  4. Step 4: Simplify right side
    2,131,319.04x = 4,556,245,992,488.33
  5. Step 5: Solve for x
    x = 4,556,245,992,488.33/2,131,319.04
  6. Step 6: Final answer
    x = 2,137,758.78

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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.