Home / 1,997,823.40-2,996,110.38-667,816.36

Finding the Fourth Proportional to 1,997,823.40, 2,996,110.38 and 667,816.36

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Solution

The fourth proportional to 1,997,823.40, 2,996,110.38 and 667,816.36 is: 1,001,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,823.40 : 2,996,110.38 = 667,816.36 : x
  2. Step 2: Convert to fraction form
    1,997,823.40/2,996,110.38 = 667,816.36/x
  3. Step 3: Cross multiply
    1,997,823.40x = 2,996,110.38 × 667,816.36
  4. Step 4: Simplify right side
    1,997,823.40x = 2,000,851,528,129.82
  5. Step 5: Solve for x
    x = 2,000,851,528,129.82/1,997,823.40
  6. Step 6: Final answer
    x = 1,001,515.71

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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.