Home / 2,177,112.60-3,265,668.90-660,792.60

Finding the Fourth Proportional to 2,177,112.60, 3,265,668.90 and 660,792.60

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Solution

The fourth proportional to 2,177,112.60, 3,265,668.90 and 660,792.60 is: 991,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,112.60 : 3,265,668.90 = 660,792.60 : x
  2. Step 2: Convert to fraction form
    2,177,112.60/3,265,668.90 = 660,792.60/x
  3. Step 3: Cross multiply
    2,177,112.60x = 3,265,668.90 × 660,792.60
  4. Step 4: Simplify right side
    2,177,112.60x = 2,157,929,843,170.14
  5. Step 5: Solve for x
    x = 2,157,929,843,170.14/2,177,112.60
  6. Step 6: Final answer
    x = 991,188.90

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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.