Home / 2,887,507.39-4,331,249.28-728,537.56

Finding the Fourth Proportional to 2,887,507.39, 4,331,249.28 and 728,537.56

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Solution

The fourth proportional to 2,887,507.39, 4,331,249.28 and 728,537.56 is: 1,092,803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,507.39 : 4,331,249.28 = 728,537.56 : x
  2. Step 2: Convert to fraction form
    2,887,507.39/4,331,249.28 = 728,537.56/x
  3. Step 3: Cross multiply
    2,887,507.39x = 4,331,249.28 × 728,537.56
  4. Step 4: Simplify right side
    2,887,507.39x = 3,155,477,782,202.96
  5. Step 5: Solve for x
    x = 3,155,477,782,202.96/2,887,507.39
  6. Step 6: Final answer
    x = 1,092,803.36

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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.