Home / 3,947,333.18-5,921,174.72-1,107,382.46

Finding the Fourth Proportional to 3,947,333.18, 5,921,174.72 and 1,107,382.46

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Solution

The fourth proportional to 3,947,333.18, 5,921,174.72 and 1,107,382.46 is: 1,661,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,333.18 : 5,921,174.72 = 1,107,382.46 : x
  2. Step 2: Convert to fraction form
    3,947,333.18/5,921,174.72 = 1,107,382.46/x
  3. Step 3: Cross multiply
    3,947,333.18x = 5,921,174.72 × 1,107,382.46
  4. Step 4: Simplify right side
    3,947,333.18x = 6,557,005,000,685.99
  5. Step 5: Solve for x
    x = 6,557,005,000,685.99/3,947,333.18
  6. Step 6: Final answer
    x = 1,661,122.77

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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.