Home / 5,071,773.69-6,999,765.39-3,138,656.85

Finding the Fourth Proportional to 5,071,773.69, 6,999,765.39 and 3,138,656.85

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Solution

The fourth proportional to 5,071,773.69, 6,999,765.39 and 3,138,656.85 is: 4,331,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071,773.69 : 6,999,765.39 = 3,138,656.85 : x
  2. Step 2: Convert to fraction form
    5,071,773.69/6,999,765.39 = 3,138,656.85/x
  3. Step 3: Cross multiply
    5,071,773.69x = 6,999,765.39 × 3,138,656.85
  4. Step 4: Simplify right side
    5,071,773.69x = 21,969,861,589,716.42
  5. Step 5: Solve for x
    x = 21,969,861,589,716.42/5,071,773.69
  6. Step 6: Final answer
    x = 4,331,790.60

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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.