Home / 2,887,502.45-4,331,241.89-728,532.61

Finding the Fourth Proportional to 2,887,502.45, 4,331,241.89 and 728,532.61

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Solution

The fourth proportional to 2,887,502.45, 4,331,241.89 and 728,532.61 is: 1,092,795.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,502.45 : 4,331,241.89 = 728,532.61 : x
  2. Step 2: Convert to fraction form
    2,887,502.45/4,331,241.89 = 728,532.61/x
  3. Step 3: Cross multiply
    2,887,502.45x = 4,331,241.89 × 728,532.61
  4. Step 4: Simplify right side
    2,887,502.45x = 3,155,450,944,192.27
  5. Step 5: Solve for x
    x = 3,155,450,944,192.27/2,887,502.45
  6. Step 6: Final answer
    x = 1,092,795.94

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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.