Home / 2,110,157.25-3,165,239.83-512,721.69

Finding the Fourth Proportional to 2,110,157.25, 3,165,239.83 and 512,721.69

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Solution

The fourth proportional to 2,110,157.25, 3,165,239.83 and 512,721.69 is: 769,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,157.25 : 3,165,239.83 = 512,721.69 : x
  2. Step 2: Convert to fraction form
    2,110,157.25/3,165,239.83 = 512,721.69/x
  3. Step 3: Cross multiply
    2,110,157.25x = 3,165,239.83 × 512,721.69
  4. Step 4: Simplify right side
    2,110,157.25x = 1,622,887,114,892.91
  5. Step 5: Solve for x
    x = 1,622,887,114,892.91/2,110,157.25
  6. Step 6: Final answer
    x = 769,083.50

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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.