Home / 1,918,231.80-2,873,556.90-1,244,781.60

Finding the Fourth Proportional to 1,918,231.80, 2,873,556.90 and 1,244,781.60

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Solution

The fourth proportional to 1,918,231.80, 2,873,556.90 and 1,244,781.60 is: 1,864,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,231.80 : 2,873,556.90 = 1,244,781.60 : x
  2. Step 2: Convert to fraction form
    1,918,231.80/2,873,556.90 = 1,244,781.60/x
  3. Step 3: Cross multiply
    1,918,231.80x = 2,873,556.90 × 1,244,781.60
  4. Step 4: Simplify right side
    1,918,231.80x = 3,576,950,755,673.04
  5. Step 5: Solve for x
    x = 3,576,950,755,673.04/1,918,231.80
  6. Step 6: Final answer
    x = 1,864,712.47

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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.