Home / 3,969,286.98-5,478,686.76-2,592,601.50

Finding the Fourth Proportional to 3,969,286.98, 5,478,686.76 and 2,592,601.50

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Solution

The fourth proportional to 3,969,286.98, 5,478,686.76 and 2,592,601.50 is: 3,578,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,286.98 : 5,478,686.76 = 2,592,601.50 : x
  2. Step 2: Convert to fraction form
    3,969,286.98/5,478,686.76 = 2,592,601.50/x
  3. Step 3: Cross multiply
    3,969,286.98x = 5,478,686.76 × 2,592,601.50
  4. Step 4: Simplify right side
    3,969,286.98x = 14,204,051,512,006.14
  5. Step 5: Solve for x
    x = 14,204,051,512,006.14/3,969,286.98
  6. Step 6: Final answer
    x = 3,578,489.43

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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.