Home / 2,752,080.70-4,128,121.05-730,636.60

Finding the Fourth Proportional to 2,752,080.70, 4,128,121.05 and 730,636.60

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Solution

The fourth proportional to 2,752,080.70, 4,128,121.05 and 730,636.60 is: 1,095,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,080.70 : 4,128,121.05 = 730,636.60 : x
  2. Step 2: Convert to fraction form
    2,752,080.70/4,128,121.05 = 730,636.60/x
  3. Step 3: Cross multiply
    2,752,080.70x = 4,128,121.05 × 730,636.60
  4. Step 4: Simplify right side
    2,752,080.70x = 3,016,156,328,360.43
  5. Step 5: Solve for x
    x = 3,016,156,328,360.43/2,752,080.70
  6. Step 6: Final answer
    x = 1,095,954.90

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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.