Home / 5,172,144.57-7,751,241.68-2,615,163.40

Finding the Fourth Proportional to 5,172,144.57, 7,751,241.68 and 2,615,163.40

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Solution

The fourth proportional to 5,172,144.57, 7,751,241.68 and 2,615,163.40 is: 3,919,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,144.57 : 7,751,241.68 = 2,615,163.40 : x
  2. Step 2: Convert to fraction form
    5,172,144.57/7,751,241.68 = 2,615,163.40/x
  3. Step 3: Cross multiply
    5,172,144.57x = 7,751,241.68 × 2,615,163.40
  4. Step 4: Simplify right side
    5,172,144.57x = 20,270,763,546,090.51
  5. Step 5: Solve for x
    x = 20,270,763,546,090.51/5,172,144.57
  6. Step 6: Final answer
    x = 3,919,218.28

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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.