Home / 2,727,578.52-4,090,181.92-781,878.58

Finding the Fourth Proportional to 2,727,578.52, 4,090,181.92 and 781,878.58

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Solution

The fourth proportional to 2,727,578.52, 4,090,181.92 and 781,878.58 is: 1,172,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727,578.52 : 4,090,181.92 = 781,878.58 : x
  2. Step 2: Convert to fraction form
    2,727,578.52/4,090,181.92 = 781,878.58/x
  3. Step 3: Cross multiply
    2,727,578.52x = 4,090,181.92 × 781,878.58
  4. Step 4: Simplify right side
    2,727,578.52x = 3,198,025,619,371.12
  5. Step 5: Solve for x
    x = 3,198,025,619,371.12/2,727,578.52
  6. Step 6: Final answer
    x = 1,172,477.93

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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.