Home / 2,195,128.80-3,292,693.20-699,220.80

Finding the Fourth Proportional to 2,195,128.80, 3,292,693.20 and 699,220.80

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Solution

The fourth proportional to 2,195,128.80, 3,292,693.20 and 699,220.80 is: 1,048,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,128.80 : 3,292,693.20 = 699,220.80 : x
  2. Step 2: Convert to fraction form
    2,195,128.80/3,292,693.20 = 699,220.80/x
  3. Step 3: Cross multiply
    2,195,128.80x = 3,292,693.20 × 699,220.80
  4. Step 4: Simplify right side
    2,195,128.80x = 2,302,319,573,458.56
  5. Step 5: Solve for x
    x = 2,302,319,573,458.56/2,195,128.80
  6. Step 6: Final answer
    x = 1,048,831.20

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Similar ratio
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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.