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Finding the Fourth Proportional to 2,520,098, 3,780,147 and 652,322

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Solution

The fourth proportional to 2,520,098, 3,780,147 and 652,322 is: 978,483

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,098 : 3,780,147 = 652,322 : x
  2. Step 2: Convert to fraction form
    2,520,098/3,780,147 = 652,322/x
  3. Step 3: Cross multiply
    2,520,098x = 3,780,147 × 652,322
  4. Step 4: Simplify right side
    2,520,098x = 2,465,873,051,334
  5. Step 5: Solve for x
    x = 2,465,873,051,334/2,520,098
  6. Step 6: Final answer
    x = 978,483

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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.