Home / 2,072,728.32-3,109,092.52-809,670.20

Finding the Fourth Proportional to 2,072,728.32, 3,109,092.52 and 809,670.20

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Solution

The fourth proportional to 2,072,728.32, 3,109,092.52 and 809,670.20 is: 1,214,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,728.32 : 3,109,092.52 = 809,670.20 : x
  2. Step 2: Convert to fraction form
    2,072,728.32/3,109,092.52 = 809,670.20/x
  3. Step 3: Cross multiply
    2,072,728.32x = 3,109,092.52 × 809,670.20
  4. Step 4: Simplify right side
    2,072,728.32x = 2,517,339,562,486.90
  5. Step 5: Solve for x
    x = 2,517,339,562,486.90/2,072,728.32
  6. Step 6: Final answer
    x = 1,214,505.32

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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.