Home / 3,147,478.92-4,725,942.30-1,801,161.72

Finding the Fourth Proportional to 3,147,478.92, 4,725,942.30 and 1,801,161.72

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Solution

The fourth proportional to 3,147,478.92, 4,725,942.30 and 1,801,161.72 is: 2,704,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,478.92 : 4,725,942.30 = 1,801,161.72 : x
  2. Step 2: Convert to fraction form
    3,147,478.92/4,725,942.30 = 1,801,161.72/x
  3. Step 3: Cross multiply
    3,147,478.92x = 4,725,942.30 × 1,801,161.72
  4. Step 4: Simplify right side
    3,147,478.92x = 8,512,186,361,688.76
  5. Step 5: Solve for x
    x = 8,512,186,361,688.76/3,147,478.92
  6. Step 6: Final answer
    x = 2,704,445.87

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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.