Home / 1,998,003.70-2,997,005.55-800,110.90

Finding the Fourth Proportional to 1,998,003.70, 2,997,005.55 and 800,110.90

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Solution

The fourth proportional to 1,998,003.70, 2,997,005.55 and 800,110.90 is: 1,200,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,003.70 : 2,997,005.55 = 800,110.90 : x
  2. Step 2: Convert to fraction form
    1,998,003.70/2,997,005.55 = 800,110.90/x
  3. Step 3: Cross multiply
    1,998,003.70x = 2,997,005.55 × 800,110.90
  4. Step 4: Simplify right side
    1,998,003.70x = 2,397,936,807,915.50
  5. Step 5: Solve for x
    x = 2,397,936,807,915.50/1,998,003.70
  6. Step 6: Final answer
    x = 1,200,166.35

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1.5x scale

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.