Home / 1,958,491.14-2,936,791.80-820,947.90

Finding the Fourth Proportional to 1,958,491.14, 2,936,791.80 and 820,947.90

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Solution

The fourth proportional to 1,958,491.14, 2,936,791.80 and 820,947.90 is: 1,231,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,491.14 : 2,936,791.80 = 820,947.90 : x
  2. Step 2: Convert to fraction form
    1,958,491.14/2,936,791.80 = 820,947.90/x
  3. Step 3: Cross multiply
    1,958,491.14x = 2,936,791.80 × 820,947.90
  4. Step 4: Simplify right side
    1,958,491.14x = 2,410,953,060,947.22
  5. Step 5: Solve for x
    x = 2,410,953,060,947.22/1,958,491.14
  6. Step 6: Final answer
    x = 1,231,025.77

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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.