Home / 2,214,900-3,320,080.32-1,681,291.44

Finding the Fourth Proportional to 2,214,900, 3,320,080.32 and 1,681,291.44

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Solution

The fourth proportional to 2,214,900, 3,320,080.32 and 1,681,291.44 is: 2,520,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,900 : 3,320,080.32 = 1,681,291.44 : x
  2. Step 2: Convert to fraction form
    2,214,900/3,320,080.32 = 1,681,291.44/x
  3. Step 3: Cross multiply
    2,214,900x = 3,320,080.32 × 1,681,291.44
  4. Step 4: Simplify right side
    2,214,900x = 5,582,022,622,128.46
  5. Step 5: Solve for x
    x = 5,582,022,622,128.46/2,214,900
  6. Step 6: Final answer
    x = 2,520,214.29

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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.