Home / 3,992,503.40-5,979,423.90-3,912,324.20

Finding the Fourth Proportional to 3,992,503.40, 5,979,423.90 and 3,912,324.20

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Solution

The fourth proportional to 3,992,503.40, 5,979,423.90 and 3,912,324.20 is: 5,859,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,503.40 : 5,979,423.90 = 3,912,324.20 : x
  2. Step 2: Convert to fraction form
    3,992,503.40/5,979,423.90 = 3,912,324.20/x
  3. Step 3: Cross multiply
    3,992,503.40x = 5,979,423.90 × 3,912,324.20
  4. Step 4: Simplify right side
    3,992,503.40x = 23,393,444,826,028.38
  5. Step 5: Solve for x
    x = 23,393,444,826,028.38/3,992,503.40
  6. Step 6: Final answer
    x = 5,859,342.49

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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.