Home / 3,171,286.98-4,376,387.49-1,720,981.98

Finding the Fourth Proportional to 3,171,286.98, 4,376,387.49 and 1,720,981.98

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Solution

The fourth proportional to 3,171,286.98, 4,376,387.49 and 1,720,981.98 is: 2,374,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,286.98 : 4,376,387.49 = 1,720,981.98 : x
  2. Step 2: Convert to fraction form
    3,171,286.98/4,376,387.49 = 1,720,981.98/x
  3. Step 3: Cross multiply
    3,171,286.98x = 4,376,387.49 × 1,720,981.98
  4. Step 4: Simplify right side
    3,171,286.98x = 7,531,684,007,787.43
  5. Step 5: Solve for x
    x = 7,531,684,007,787.43/3,171,286.98
  6. Step 6: Final answer
    x = 2,374,961.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.