Home / 3,171,517.50-4,376,696.40-1,721,212.59

Finding the Fourth Proportional to 3,171,517.50, 4,376,696.40 and 1,721,212.59

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Solution

The fourth proportional to 3,171,517.50, 4,376,696.40 and 1,721,212.59 is: 2,375,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,517.50 : 4,376,696.40 = 1,721,212.59 : x
  2. Step 2: Convert to fraction form
    3,171,517.50/4,376,696.40 = 1,721,212.59/x
  3. Step 3: Cross multiply
    3,171,517.50x = 4,376,696.40 × 1,721,212.59
  4. Step 4: Simplify right side
    3,171,517.50x = 7,533,224,946,287.68
  5. Step 5: Solve for x
    x = 7,533,224,946,287.68/3,171,517.50
  6. Step 6: Final answer
    x = 2,375,274.60

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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.