Home / 1,621,687.92-2,431,501.56-1,422,408.48

Finding the Fourth Proportional to 1,621,687.92, 2,431,501.56 and 1,422,408.48

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Solution

The fourth proportional to 1,621,687.92, 2,431,501.56 and 1,422,408.48 is: 2,132,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,687.92 : 2,431,501.56 = 1,422,408.48 : x
  2. Step 2: Convert to fraction form
    1,621,687.92/2,431,501.56 = 1,422,408.48/x
  3. Step 3: Cross multiply
    1,621,687.92x = 2,431,501.56 × 1,422,408.48
  4. Step 4: Simplify right side
    1,621,687.92x = 3,458,588,438,077.23
  5. Step 5: Solve for x
    x = 3,458,588,438,077.23/1,621,687.92
  6. Step 6: Final answer
    x = 2,132,709.01

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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.