Home / 5,212,917.52-7,193,463.27-2,889,787.71

Finding the Fourth Proportional to 5,212,917.52, 7,193,463.27 and 2,889,787.71

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Solution

The fourth proportional to 5,212,917.52, 7,193,463.27 and 2,889,787.71 is: 3,987,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,917.52 : 7,193,463.27 = 2,889,787.71 : x
  2. Step 2: Convert to fraction form
    5,212,917.52/7,193,463.27 = 2,889,787.71/x
  3. Step 3: Cross multiply
    5,212,917.52x = 7,193,463.27 × 2,889,787.71
  4. Step 4: Simplify right side
    5,212,917.52x = 20,787,581,749,982.41
  5. Step 5: Solve for x
    x = 20,787,581,749,982.41/5,212,917.52
  6. Step 6: Final answer
    x = 3,987,705.86

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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.