Home / 2,540,579.45-3,505,871.06-1,508,131.43

Finding the Fourth Proportional to 2,540,579.45, 3,505,871.06 and 1,508,131.43

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Solution

The fourth proportional to 2,540,579.45, 3,505,871.06 and 1,508,131.43 is: 2,081,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,579.45 : 3,505,871.06 = 1,508,131.43 : x
  2. Step 2: Convert to fraction form
    2,540,579.45/3,505,871.06 = 1,508,131.43/x
  3. Step 3: Cross multiply
    2,540,579.45x = 3,505,871.06 × 1,508,131.43
  4. Step 4: Simplify right side
    2,540,579.45x = 5,287,314,327,572.76
  5. Step 5: Solve for x
    x = 5,287,314,327,572.76/2,540,579.45
  6. Step 6: Final answer
    x = 2,081,145.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.