Home / 5,731,617.08-7,910,189.79-4,278,789.74

Finding the Fourth Proportional to 5,731,617.08, 7,910,189.79 and 4,278,789.74

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Solution

The fourth proportional to 5,731,617.08, 7,910,189.79 and 4,278,789.74 is: 5,905,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731,617.08 : 7,910,189.79 = 4,278,789.74 : x
  2. Step 2: Convert to fraction form
    5,731,617.08/7,910,189.79 = 4,278,789.74/x
  3. Step 3: Cross multiply
    5,731,617.08x = 7,910,189.79 × 4,278,789.74
  4. Step 4: Simplify right side
    5,731,617.08x = 33,846,038,914,904.76
  5. Step 5: Solve for x
    x = 33,846,038,914,904.76/5,731,617.08
  6. Step 6: Final answer
    x = 5,905,146.57

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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.