Home / 1,998,004.70-2,997,007.05-800,111.90

Finding the Fourth Proportional to 1,998,004.70, 2,997,007.05 and 800,111.90

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Solution

The fourth proportional to 1,998,004.70, 2,997,007.05 and 800,111.90 is: 1,200,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,004.70 : 2,997,007.05 = 800,111.90 : x
  2. Step 2: Convert to fraction form
    1,998,004.70/2,997,007.05 = 800,111.90/x
  3. Step 3: Cross multiply
    1,998,004.70x = 2,997,007.05 × 800,111.90
  4. Step 4: Simplify right side
    1,998,004.70x = 2,397,941,005,088.90
  5. Step 5: Solve for x
    x = 2,397,941,005,088.90/1,998,004.70
  6. Step 6: Final answer
    x = 1,200,167.85

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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.