Home / 3,959,947.40-5,940,023.52-1,264,270.28

Finding the Fourth Proportional to 3,959,947.40, 5,940,023.52 and 1,264,270.28

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Solution

The fourth proportional to 3,959,947.40, 5,940,023.52 and 1,264,270.28 is: 1,896,438.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,947.40 : 5,940,023.52 = 1,264,270.28 : x
  2. Step 2: Convert to fraction form
    3,959,947.40/5,940,023.52 = 1,264,270.28/x
  3. Step 3: Cross multiply
    3,959,947.40x = 5,940,023.52 × 1,264,270.28
  4. Step 4: Simplify right side
    3,959,947.40x = 7,509,795,198,836.99
  5. Step 5: Solve for x
    x = 7,509,795,198,836.99/3,959,947.40
  6. Step 6: Final answer
    x = 1,896,438.12

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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.