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Finding the Fourth Proportional to 3,447,414, 5,171,121 and 1,083,510

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Solution

The fourth proportional to 3,447,414, 5,171,121 and 1,083,510 is: 1,625,265

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447,414 : 5,171,121 = 1,083,510 : x
  2. Step 2: Convert to fraction form
    3,447,414/5,171,121 = 1,083,510/x
  3. Step 3: Cross multiply
    3,447,414x = 5,171,121 × 1,083,510
  4. Step 4: Simplify right side
    3,447,414x = 5,602,961,314,710
  5. Step 5: Solve for x
    x = 5,602,961,314,710/3,447,414
  6. Step 6: Final answer
    x = 1,625,265

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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.