Home / 2,652,464.72-3,979,473.46-855,312.06

Finding the Fourth Proportional to 2,652,464.72, 3,979,473.46 and 855,312.06

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Solution

The fourth proportional to 2,652,464.72, 3,979,473.46 and 855,312.06 is: 1,283,218.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,464.72 : 3,979,473.46 = 855,312.06 : x
  2. Step 2: Convert to fraction form
    2,652,464.72/3,979,473.46 = 855,312.06/x
  3. Step 3: Cross multiply
    2,652,464.72x = 3,979,473.46 × 855,312.06
  4. Step 4: Simplify right side
    2,652,464.72x = 3,403,691,642,787.93
  5. Step 5: Solve for x
    x = 3,403,691,642,787.93/2,652,464.72
  6. Step 6: Final answer
    x = 1,283,218.44

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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.