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Finding the Fourth Proportional to 1,839,960, 2,759,940 and 510,264

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Solution

The fourth proportional to 1,839,960, 2,759,940 and 510,264 is: 765,396

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,960 : 2,759,940 = 510,264 : x
  2. Step 2: Convert to fraction form
    1,839,960/2,759,940 = 510,264/x
  3. Step 3: Cross multiply
    1,839,960x = 2,759,940 × 510,264
  4. Step 4: Simplify right side
    1,839,960x = 1,408,298,024,160
  5. Step 5: Solve for x
    x = 1,408,298,024,160/1,839,960
  6. Step 6: Final answer
    x = 765,396

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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.