Home / 2,181,142.88-3,009,918.53-1,214,273.14

Finding the Fourth Proportional to 2,181,142.88, 3,009,918.53 and 1,214,273.14

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Solution

The fourth proportional to 2,181,142.88, 3,009,918.53 and 1,214,273.14 is: 1,675,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,142.88 : 3,009,918.53 = 1,214,273.14 : x
  2. Step 2: Convert to fraction form
    2,181,142.88/3,009,918.53 = 1,214,273.14/x
  3. Step 3: Cross multiply
    2,181,142.88x = 3,009,918.53 × 1,214,273.14
  4. Step 4: Simplify right side
    2,181,142.88x = 3,654,863,224,567.28
  5. Step 5: Solve for x
    x = 3,654,863,224,567.28/2,181,142.88
  6. Step 6: Final answer
    x = 1,675,664.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.