Home / 2,115,807.24-3,174,247.89-979,388.58

Finding the Fourth Proportional to 2,115,807.24, 3,174,247.89 and 979,388.58

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Solution

The fourth proportional to 2,115,807.24, 3,174,247.89 and 979,388.58 is: 1,469,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,807.24 : 3,174,247.89 = 979,388.58 : x
  2. Step 2: Convert to fraction form
    2,115,807.24/3,174,247.89 = 979,388.58/x
  3. Step 3: Cross multiply
    2,115,807.24x = 3,174,247.89 × 979,388.58
  4. Step 4: Simplify right side
    2,115,807.24x = 3,108,822,133,555.10
  5. Step 5: Solve for x
    x = 3,108,822,133,555.10/2,115,807.24
  6. Step 6: Final answer
    x = 1,469,331.46

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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.