Home / 5,101,801.30-7,040,485.88-2,809,961.92

Finding the Fourth Proportional to 5,101,801.30, 7,040,485.88 and 2,809,961.92

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Solution

The fourth proportional to 5,101,801.30, 7,040,485.88 and 2,809,961.92 is: 3,877,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,801.30 : 7,040,485.88 = 2,809,961.92 : x
  2. Step 2: Convert to fraction form
    5,101,801.30/7,040,485.88 = 2,809,961.92/x
  3. Step 3: Cross multiply
    5,101,801.30x = 7,040,485.88 × 2,809,961.92
  4. Step 4: Simplify right side
    5,101,801.30x = 19,783,497,221,097.69
  5. Step 5: Solve for x
    x = 19,783,497,221,097.69/5,101,801.30
  6. Step 6: Final answer
    x = 3,877,747.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.