Home / 2,131,648.80-3,194,751.60-868,048.80

Finding the Fourth Proportional to 2,131,648.80, 3,194,751.60 and 868,048.80

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Solution

The fourth proportional to 2,131,648.80, 3,194,751.60 and 868,048.80 is: 1,300,964.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,648.80 : 3,194,751.60 = 868,048.80 : x
  2. Step 2: Convert to fraction form
    2,131,648.80/3,194,751.60 = 868,048.80/x
  3. Step 3: Cross multiply
    2,131,648.80x = 3,194,751.60 × 868,048.80
  4. Step 4: Simplify right side
    2,131,648.80x = 2,773,200,292,678.08
  5. Step 5: Solve for x
    x = 2,773,200,292,678.08/2,131,648.80
  6. Step 6: Final answer
    x = 1,300,964.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.