Home / 2,132,209.52-2,942,971.96-1,214,979.33

Finding the Fourth Proportional to 2,132,209.52, 2,942,971.96 and 1,214,979.33

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Solution

The fourth proportional to 2,132,209.52, 2,942,971.96 and 1,214,979.33 is: 1,676,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,209.52 : 2,942,971.96 = 1,214,979.33 : x
  2. Step 2: Convert to fraction form
    2,132,209.52/2,942,971.96 = 1,214,979.33/x
  3. Step 3: Cross multiply
    2,132,209.52x = 2,942,971.96 × 1,214,979.33
  4. Step 4: Simplify right side
    2,132,209.52x = 3,575,650,100,169.59
  5. Step 5: Solve for x
    x = 3,575,650,100,169.59/2,132,209.52
  6. Step 6: Final answer
    x = 1,676,969.39

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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.