Home / 3,557,195.40-5,336,786.34-1,428,774.24

Finding the Fourth Proportional to 3,557,195.40, 5,336,786.34 and 1,428,774.24

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Solution

The fourth proportional to 3,557,195.40, 5,336,786.34 and 1,428,774.24 is: 2,143,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,195.40 : 5,336,786.34 = 1,428,774.24 : x
  2. Step 2: Convert to fraction form
    3,557,195.40/5,336,786.34 = 1,428,774.24/x
  3. Step 3: Cross multiply
    3,557,195.40x = 5,336,786.34 × 1,428,774.24
  4. Step 4: Simplify right side
    3,557,195.40x = 7,625,062,846,975.88
  5. Step 5: Solve for x
    x = 7,625,062,846,975.88/3,557,195.40
  6. Step 6: Final answer
    x = 2,143,560.30

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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.