Home / 1,971,148.62-2,720,179.98-1,099,974.17

Finding the Fourth Proportional to 1,971,148.62, 2,720,179.98 and 1,099,974.17

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Solution

The fourth proportional to 1,971,148.62, 2,720,179.98 and 1,099,974.17 is: 1,517,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,148.62 : 2,720,179.98 = 1,099,974.17 : x
  2. Step 2: Convert to fraction form
    1,971,148.62/2,720,179.98 = 1,099,974.17/x
  3. Step 3: Cross multiply
    1,971,148.62x = 2,720,179.98 × 1,099,974.17
  4. Step 4: Simplify right side
    1,971,148.62x = 2,992,127,704,972.33
  5. Step 5: Solve for x
    x = 2,992,127,704,972.33/1,971,148.62
  6. Step 6: Final answer
    x = 1,517,961.50

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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.