Home / 1,971,151.03-2,720,183.30-1,099,976.58

Finding the Fourth Proportional to 1,971,151.03, 2,720,183.30 and 1,099,976.58

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Solution

The fourth proportional to 1,971,151.03, 2,720,183.30 and 1,099,976.58 is: 1,517,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,151.03 : 2,720,183.30 = 1,099,976.58 : x
  2. Step 2: Convert to fraction form
    1,971,151.03/2,720,183.30 = 1,099,976.58/x
  3. Step 3: Cross multiply
    1,971,151.03x = 2,720,183.30 × 1,099,976.58
  4. Step 4: Simplify right side
    1,971,151.03x = 2,992,137,917,807.23
  5. Step 5: Solve for x
    x = 2,992,137,917,807.23/1,971,151.03
  6. Step 6: Final answer
    x = 1,517,964.82

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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.