Home / 1,945,991.20-2,918,986.80-881,009.44

Finding the Fourth Proportional to 1,945,991.20, 2,918,986.80 and 881,009.44

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Solution

The fourth proportional to 1,945,991.20, 2,918,986.80 and 881,009.44 is: 1,321,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,991.20 : 2,918,986.80 = 881,009.44 : x
  2. Step 2: Convert to fraction form
    1,945,991.20/2,918,986.80 = 881,009.44/x
  3. Step 3: Cross multiply
    1,945,991.20x = 2,918,986.80 × 881,009.44
  4. Step 4: Simplify right side
    1,945,991.20x = 2,571,654,926,035.39
  5. Step 5: Solve for x
    x = 2,571,654,926,035.39/1,945,991.20
  6. Step 6: Final answer
    x = 1,321,514.16

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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.