Home / 1,998,921.52-2,997,053.52-1,100,786.20

Finding the Fourth Proportional to 1,998,921.52, 2,997,053.52 and 1,100,786.20

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Solution

The fourth proportional to 1,998,921.52, 2,997,053.52 and 1,100,786.20 is: 1,650,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,921.52 : 2,997,053.52 = 1,100,786.20 : x
  2. Step 2: Convert to fraction form
    1,998,921.52/2,997,053.52 = 1,100,786.20/x
  3. Step 3: Cross multiply
    1,998,921.52x = 2,997,053.52 × 1,100,786.20
  4. Step 4: Simplify right side
    1,998,921.52x = 3,299,115,155,477.42
  5. Step 5: Solve for x
    x = 3,299,115,155,477.42/1,998,921.52
  6. Step 6: Final answer
    x = 1,650,447.57

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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.