Home / 2,470,815.66-3,705,766.92-764,640.84

Finding the Fourth Proportional to 2,470,815.66, 3,705,766.92 and 764,640.84

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Solution

The fourth proportional to 2,470,815.66, 3,705,766.92 and 764,640.84 is: 1,146,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470,815.66 : 3,705,766.92 = 764,640.84 : x
  2. Step 2: Convert to fraction form
    2,470,815.66/3,705,766.92 = 764,640.84/x
  3. Step 3: Cross multiply
    2,470,815.66x = 3,705,766.92 × 764,640.84
  4. Step 4: Simplify right side
    2,470,815.66x = 2,833,580,730,553.01
  5. Step 5: Solve for x
    x = 2,833,580,730,553.01/2,470,815.66
  6. Step 6: Final answer
    x = 1,146,819.97

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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.