Home / 2,072,816.47-3,109,224.71-809,758.36

Finding the Fourth Proportional to 2,072,816.47, 3,109,224.71 and 809,758.36

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Solution

The fourth proportional to 2,072,816.47, 3,109,224.71 and 809,758.36 is: 1,214,637.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,816.47 : 3,109,224.71 = 809,758.36 : x
  2. Step 2: Convert to fraction form
    2,072,816.47/3,109,224.71 = 809,758.36/x
  3. Step 3: Cross multiply
    2,072,816.47x = 3,109,224.71 × 809,758.36
  4. Step 4: Simplify right side
    2,072,816.47x = 2,517,720,697,992.28
  5. Step 5: Solve for x
    x = 2,517,720,697,992.28/2,072,816.47
  6. Step 6: Final answer
    x = 1,214,637.54

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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.