Home / 2,142,720.20-2,956,990.17-1,175,940.44

Finding the Fourth Proportional to 2,142,720.20, 2,956,990.17 and 1,175,940.44

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Solution

The fourth proportional to 2,142,720.20, 2,956,990.17 and 1,175,940.44 is: 1,622,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,720.20 : 2,956,990.17 = 1,175,940.44 : x
  2. Step 2: Convert to fraction form
    2,142,720.20/2,956,990.17 = 1,175,940.44/x
  3. Step 3: Cross multiply
    2,142,720.20x = 2,956,990.17 × 1,175,940.44
  4. Step 4: Simplify right side
    2,142,720.20x = 3,477,244,321,585.47
  5. Step 5: Solve for x
    x = 3,477,244,321,585.47/2,142,720.20
  6. Step 6: Final answer
    x = 1,622,817.73

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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.