Home / 3,145,835.30-4,718,738.30-987,018.44

Finding the Fourth Proportional to 3,145,835.30, 4,718,738.30 and 987,018.44

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Solution

The fourth proportional to 3,145,835.30, 4,718,738.30 and 987,018.44 is: 1,480,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,835.30 : 4,718,738.30 = 987,018.44 : x
  2. Step 2: Convert to fraction form
    3,145,835.30/4,718,738.30 = 987,018.44/x
  3. Step 3: Cross multiply
    3,145,835.30x = 4,718,738.30 × 987,018.44
  4. Step 4: Simplify right side
    3,145,835.30x = 4,657,481,687,105.47
  5. Step 5: Solve for x
    x = 4,657,481,687,105.47/3,145,835.30
  6. Step 6: Final answer
    x = 1,480,523.06

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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.