Home / 3,380,659.38-5,071,173.75-856,336.50

Finding the Fourth Proportional to 3,380,659.38, 5,071,173.75 and 856,336.50

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Solution

The fourth proportional to 3,380,659.38, 5,071,173.75 and 856,336.50 is: 1,284,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,659.38 : 5,071,173.75 = 856,336.50 : x
  2. Step 2: Convert to fraction form
    3,380,659.38/5,071,173.75 = 856,336.50/x
  3. Step 3: Cross multiply
    3,380,659.38x = 5,071,173.75 × 856,336.50
  4. Step 4: Simplify right side
    3,380,659.38x = 4,342,631,179,966.88
  5. Step 5: Solve for x
    x = 4,342,631,179,966.88/3,380,659.38
  6. Step 6: Final answer
    x = 1,284,551.53

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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.