Home / 2,629,942.20-3,945,042.90-1,370,230.20

Finding the Fourth Proportional to 2,629,942.20, 3,945,042.90 and 1,370,230.20

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Solution

The fourth proportional to 2,629,942.20, 3,945,042.90 and 1,370,230.20 is: 2,055,412.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,942.20 : 3,945,042.90 = 1,370,230.20 : x
  2. Step 2: Convert to fraction form
    2,629,942.20/3,945,042.90 = 1,370,230.20/x
  3. Step 3: Cross multiply
    2,629,942.20x = 3,945,042.90 × 1,370,230.20
  4. Step 4: Simplify right side
    2,629,942.20x = 5,405,616,921,875.58
  5. Step 5: Solve for x
    x = 5,405,616,921,875.58/2,629,942.20
  6. Step 6: Final answer
    x = 2,055,412.82

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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.