Home / 2,928,049.82-4,040,707.65-1,638,889.87

Finding the Fourth Proportional to 2,928,049.82, 4,040,707.65 and 1,638,889.87

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Solution

The fourth proportional to 2,928,049.82, 4,040,707.65 and 1,638,889.87 is: 2,261,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,049.82 : 4,040,707.65 = 1,638,889.87 : x
  2. Step 2: Convert to fraction form
    2,928,049.82/4,040,707.65 = 1,638,889.87/x
  3. Step 3: Cross multiply
    2,928,049.82x = 4,040,707.65 × 1,638,889.87
  4. Step 4: Simplify right side
    2,928,049.82x = 6,622,274,835,216.51
  5. Step 5: Solve for x
    x = 6,622,274,835,216.51/2,928,049.82
  6. Step 6: Final answer
    x = 2,261,667.40

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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.