Home / 3,711,785.76-5,122,179.04-2,162,948.80

Finding the Fourth Proportional to 3,711,785.76, 5,122,179.04 and 2,162,948.80

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Solution

The fourth proportional to 3,711,785.76, 5,122,179.04 and 2,162,948.80 is: 2,984,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711,785.76 : 5,122,179.04 = 2,162,948.80 : x
  2. Step 2: Convert to fraction form
    3,711,785.76/5,122,179.04 = 2,162,948.80/x
  3. Step 3: Cross multiply
    3,711,785.76x = 5,122,179.04 × 2,162,948.80
  4. Step 4: Simplify right side
    3,711,785.76x = 11,079,011,007,953.15
  5. Step 5: Solve for x
    x = 11,079,011,007,953.15/3,711,785.76
  6. Step 6: Final answer
    x = 2,984,819.63

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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.