Home / 1,998,556.20-2,758,908.24-1,274,377.32

Finding the Fourth Proportional to 1,998,556.20, 2,758,908.24 and 1,274,377.32

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Solution

The fourth proportional to 1,998,556.20, 2,758,908.24 and 1,274,377.32 is: 1,759,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,556.20 : 2,758,908.24 = 1,274,377.32 : x
  2. Step 2: Convert to fraction form
    1,998,556.20/2,758,908.24 = 1,274,377.32/x
  3. Step 3: Cross multiply
    1,998,556.20x = 2,758,908.24 × 1,274,377.32
  4. Step 4: Simplify right side
    1,998,556.20x = 3,515,890,089,017.12
  5. Step 5: Solve for x
    x = 3,515,890,089,017.12/1,998,556.20
  6. Step 6: Final answer
    x = 1,759,215.02

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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.