Home / 2,305,375.91-3,181,468.80-1,272,880.25

Finding the Fourth Proportional to 2,305,375.91, 3,181,468.80 and 1,272,880.25

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Solution

The fourth proportional to 2,305,375.91, 3,181,468.80 and 1,272,880.25 is: 1,756,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305,375.91 : 3,181,468.80 = 1,272,880.25 : x
  2. Step 2: Convert to fraction form
    2,305,375.91/3,181,468.80 = 1,272,880.25/x
  3. Step 3: Cross multiply
    2,305,375.91x = 3,181,468.80 × 1,272,880.25
  4. Step 4: Simplify right side
    2,305,375.91x = 4,049,628,801,511.20
  5. Step 5: Solve for x
    x = 4,049,628,801,511.20/2,305,375.91
  6. Step 6: Final answer
    x = 1,756,602.38

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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.