Home / 3,115,046.52-4,672,538.64-985,131

Finding the Fourth Proportional to 3,115,046.52, 4,672,538.64 and 985,131

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Solution

The fourth proportional to 3,115,046.52, 4,672,538.64 and 985,131 is: 1,477,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,046.52 : 4,672,538.64 = 985,131 : x
  2. Step 2: Convert to fraction form
    3,115,046.52/4,672,538.64 = 985,131/x
  3. Step 3: Cross multiply
    3,115,046.52x = 4,672,538.64 × 985,131
  4. Step 4: Simplify right side
    3,115,046.52x = 4,603,062,662,961.84
  5. Step 5: Solve for x
    x = 4,603,062,662,961.84/3,115,046.52
  6. Step 6: Final answer
    x = 1,477,686.65

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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.