Home / 4,120,101.44-5,687,608.56-2,652,128.72

Finding the Fourth Proportional to 4,120,101.44, 5,687,608.56 and 2,652,128.72

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Solution

The fourth proportional to 4,120,101.44, 5,687,608.56 and 2,652,128.72 is: 3,661,140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,101.44 : 5,687,608.56 = 2,652,128.72 : x
  2. Step 2: Convert to fraction form
    4,120,101.44/5,687,608.56 = 2,652,128.72/x
  3. Step 3: Cross multiply
    4,120,101.44x = 5,687,608.56 × 2,652,128.72
  4. Step 4: Simplify right side
    4,120,101.44x = 15,084,270,010,093.84
  5. Step 5: Solve for x
    x = 15,084,270,010,093.84/4,120,101.44
  6. Step 6: Final answer
    x = 3,661,140.44

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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.