Home / 2,631,109.44-3,947,038.04-809,625.45

Finding the Fourth Proportional to 2,631,109.44, 3,947,038.04 and 809,625.45

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Solution

The fourth proportional to 2,631,109.44, 3,947,038.04 and 809,625.45 is: 1,214,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,109.44 : 3,947,038.04 = 809,625.45 : x
  2. Step 2: Convert to fraction form
    2,631,109.44/3,947,038.04 = 809,625.45/x
  3. Step 3: Cross multiply
    2,631,109.44x = 3,947,038.04 × 809,625.45
  4. Step 4: Simplify right side
    2,631,109.44x = 3,195,622,451,326.18
  5. Step 5: Solve for x
    x = 3,195,622,451,326.18/2,631,109.44
  6. Step 6: Final answer
    x = 1,214,553.22

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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.