Home / 2,072,720.32-3,109,080.52-809,662.20

Finding the Fourth Proportional to 2,072,720.32, 3,109,080.52 and 809,662.20

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Solution

The fourth proportional to 2,072,720.32, 3,109,080.52 and 809,662.20 is: 1,214,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,720.32 : 3,109,080.52 = 809,662.20 : x
  2. Step 2: Convert to fraction form
    2,072,720.32/3,109,080.52 = 809,662.20/x
  3. Step 3: Cross multiply
    2,072,720.32x = 3,109,080.52 × 809,662.20
  4. Step 4: Simplify right side
    2,072,720.32x = 2,517,304,973,800.34
  5. Step 5: Solve for x
    x = 2,517,304,973,800.34/2,072,720.32
  6. Step 6: Final answer
    x = 1,214,493.32

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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.