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Finding the Fourth Proportional to 2,571,544, 3,857,316 and 995,608

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Solution

The fourth proportional to 2,571,544, 3,857,316 and 995,608 is: 1,493,412

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,544 : 3,857,316 = 995,608 : x
  2. Step 2: Convert to fraction form
    2,571,544/3,857,316 = 995,608/x
  3. Step 3: Cross multiply
    2,571,544x = 3,857,316 × 995,608
  4. Step 4: Simplify right side
    2,571,544x = 3,840,374,668,128
  5. Step 5: Solve for x
    x = 3,840,374,668,128/2,571,544
  6. Step 6: Final answer
    x = 1,493,412

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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.