Home / 3,145,836.30-4,718,739.79-987,019.44

Finding the Fourth Proportional to 3,145,836.30, 4,718,739.79 and 987,019.44

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Solution

The fourth proportional to 3,145,836.30, 4,718,739.79 and 987,019.44 is: 1,480,524.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,836.30 : 4,718,739.79 = 987,019.44 : x
  2. Step 2: Convert to fraction form
    3,145,836.30/4,718,739.79 = 987,019.44/x
  3. Step 3: Cross multiply
    3,145,836.30x = 4,718,739.79 × 987,019.44
  4. Step 4: Simplify right side
    3,145,836.30x = 4,657,487,905,031.52
  5. Step 5: Solve for x
    x = 4,657,487,905,031.52/3,145,836.30
  6. Step 6: Final answer
    x = 1,480,524.56

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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.