Home / 1,997,822.40-2,996,108.88-667,815.36

Finding the Fourth Proportional to 1,997,822.40, 2,996,108.88 and 667,815.36

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Solution

The fourth proportional to 1,997,822.40, 2,996,108.88 and 667,815.36 is: 1,001,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,822.40 : 2,996,108.88 = 667,815.36 : x
  2. Step 2: Convert to fraction form
    1,997,822.40/2,996,108.88 = 667,815.36/x
  3. Step 3: Cross multiply
    1,997,822.40x = 2,996,108.88 × 667,815.36
  4. Step 4: Simplify right side
    1,997,822.40x = 2,000,847,530,296.40
  5. Step 5: Solve for x
    x = 2,000,847,530,296.40/1,997,822.40
  6. Step 6: Final answer
    x = 1,001,514.21

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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.