Home / 6,690,905.82-9,231,415.83-3,789,835.74

Finding the Fourth Proportional to 6,690,905.82, 9,231,415.83 and 3,789,835.74

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Solution

The fourth proportional to 6,690,905.82, 9,231,415.83 and 3,789,835.74 is: 5,228,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,905.82 : 9,231,415.83 = 3,789,835.74 : x
  2. Step 2: Convert to fraction form
    6,690,905.82/9,231,415.83 = 3,789,835.74/x
  3. Step 3: Cross multiply
    6,690,905.82x = 9,231,415.83 × 3,789,835.74
  4. Step 4: Simplify right side
    6,690,905.82x = 34,985,549,643,335.77
  5. Step 5: Solve for x
    x = 34,985,549,643,335.77/6,690,905.82
  6. Step 6: Final answer
    x = 5,228,821.12

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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.