Home / 3,145,847.92-4,718,757.22-987,031.06

Finding the Fourth Proportional to 3,145,847.92, 4,718,757.22 and 987,031.06

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Solution

The fourth proportional to 3,145,847.92, 4,718,757.22 and 987,031.06 is: 1,480,541.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,847.92 : 4,718,757.22 = 987,031.06 : x
  2. Step 2: Convert to fraction form
    3,145,847.92/4,718,757.22 = 987,031.06/x
  3. Step 3: Cross multiply
    3,145,847.92x = 4,718,757.22 × 987,031.06
  4. Step 4: Simplify right side
    3,145,847.92x = 4,657,559,940,739.25
  5. Step 5: Solve for x
    x = 4,657,559,940,739.25/3,145,847.92
  6. Step 6: Final answer
    x = 1,480,541.99

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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.