Home / 2,928,047.82-4,040,704.89-1,638,887.87

Finding the Fourth Proportional to 2,928,047.82, 4,040,704.89 and 1,638,887.87

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Solution

The fourth proportional to 2,928,047.82, 4,040,704.89 and 1,638,887.87 is: 2,261,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,047.82 : 4,040,704.89 = 1,638,887.87 : x
  2. Step 2: Convert to fraction form
    2,928,047.82/4,040,704.89 = 1,638,887.87/x
  3. Step 3: Cross multiply
    2,928,047.82x = 4,040,704.89 × 1,638,887.87
  4. Step 4: Simplify right side
    2,928,047.82x = 6,622,262,210,267.16
  5. Step 5: Solve for x
    x = 6,622,262,210,267.16/2,928,047.82
  6. Step 6: Final answer
    x = 2,261,664.64

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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.