Home / 2,631,645.36-3,631,758.48-1,612,853.28

Finding the Fourth Proportional to 2,631,645.36, 3,631,758.48 and 1,612,853.28

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Solution

The fourth proportional to 2,631,645.36, 3,631,758.48 and 1,612,853.28 is: 2,225,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,645.36 : 3,631,758.48 = 1,612,853.28 : x
  2. Step 2: Convert to fraction form
    2,631,645.36/3,631,758.48 = 1,612,853.28/x
  3. Step 3: Cross multiply
    2,631,645.36x = 3,631,758.48 × 1,612,853.28
  4. Step 4: Simplify right side
    2,631,645.36x = 5,857,493,576,635.82
  5. Step 5: Solve for x
    x = 5,857,493,576,635.82/2,631,645.36
  6. Step 6: Final answer
    x = 2,225,791.39

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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.