Home / 6,876,976.72-9,490,441.44-3,779,443.79

Finding the Fourth Proportional to 6,876,976.72, 9,490,441.44 and 3,779,443.79

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Solution

The fourth proportional to 6,876,976.72, 9,490,441.44 and 3,779,443.79 is: 5,215,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876,976.72 : 9,490,441.44 = 3,779,443.79 : x
  2. Step 2: Convert to fraction form
    6,876,976.72/9,490,441.44 = 3,779,443.79/x
  3. Step 3: Cross multiply
    6,876,976.72x = 9,490,441.44 × 3,779,443.79
  4. Step 4: Simplify right side
    6,876,976.72x = 35,868,589,964,766.66
  5. Step 5: Solve for x
    x = 35,868,589,964,766.66/6,876,976.72
  6. Step 6: Final answer
    x = 5,215,749.80

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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.