Home / 1,936,556.20-2,904,834.30-989,612.20

Finding the Fourth Proportional to 1,936,556.20, 2,904,834.30 and 989,612.20

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Solution

The fourth proportional to 1,936,556.20, 2,904,834.30 and 989,612.20 is: 1,484,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,556.20 : 2,904,834.30 = 989,612.20 : x
  2. Step 2: Convert to fraction form
    1,936,556.20/2,904,834.30 = 989,612.20/x
  3. Step 3: Cross multiply
    1,936,556.20x = 2,904,834.30 × 989,612.20
  4. Step 4: Simplify right side
    1,936,556.20x = 2,874,659,462,258.46
  5. Step 5: Solve for x
    x = 2,874,659,462,258.46/1,936,556.20
  6. Step 6: Final answer
    x = 1,484,418.30

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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.