Home / 2,380,918.12-3,285,691.30-1,293,200.36

Finding the Fourth Proportional to 2,380,918.12, 3,285,691.30 and 1,293,200.36

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Solution

The fourth proportional to 2,380,918.12, 3,285,691.30 and 1,293,200.36 is: 1,784,629.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380,918.12 : 3,285,691.30 = 1,293,200.36 : x
  2. Step 2: Convert to fraction form
    2,380,918.12/3,285,691.30 = 1,293,200.36/x
  3. Step 3: Cross multiply
    2,380,918.12x = 3,285,691.30 × 1,293,200.36
  4. Step 4: Simplify right side
    2,380,918.12x = 4,249,057,172,008.87
  5. Step 5: Solve for x
    x = 4,249,057,172,008.87/2,380,918.12
  6. Step 6: Final answer
    x = 1,784,629.69

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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.