Home / 1,998,906.45-2,997,031.06-1,100,771.16

Finding the Fourth Proportional to 1,998,906.45, 2,997,031.06 and 1,100,771.16

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Solution

The fourth proportional to 1,998,906.45, 2,997,031.06 and 1,100,771.16 is: 1,650,425.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,906.45 : 2,997,031.06 = 1,100,771.16 : x
  2. Step 2: Convert to fraction form
    1,998,906.45/2,997,031.06 = 1,100,771.16/x
  3. Step 3: Cross multiply
    1,998,906.45x = 2,997,031.06 × 1,100,771.16
  4. Step 4: Simplify right side
    1,998,906.45x = 3,299,045,356,472.23
  5. Step 5: Solve for x
    x = 3,299,045,356,472.23/1,998,906.45
  6. Step 6: Final answer
    x = 1,650,425.09

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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.