Home / 5,078,273.20-7,007,782.52-2,786,376.88

Finding the Fourth Proportional to 5,078,273.20, 7,007,782.52 and 2,786,376.88

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Solution

The fourth proportional to 5,078,273.20, 7,007,782.52 and 2,786,376.88 is: 3,845,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,273.20 : 7,007,782.52 = 2,786,376.88 : x
  2. Step 2: Convert to fraction form
    5,078,273.20/7,007,782.52 = 2,786,376.88/x
  3. Step 3: Cross multiply
    5,078,273.20x = 7,007,782.52 × 2,786,376.88
  4. Step 4: Simplify right side
    5,078,273.20x = 19,526,323,193,796.14
  5. Step 5: Solve for x
    x = 19,526,323,193,796.14/5,078,273.20
  6. Step 6: Final answer
    x = 3,845,071.43

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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.