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Finding the Fourth Proportional to 2,629,266.24, 3,943,899.52 and 856,338.24

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Solution

The fourth proportional to 2,629,266.24, 3,943,899.52 and 856,338.24 is: 1,284,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,266.24 : 3,943,899.52 = 856,338.24 : x
  2. Step 2: Convert to fraction form
    2,629,266.24/3,943,899.52 = 856,338.24/x
  3. Step 3: Cross multiply
    2,629,266.24x = 3,943,899.52 × 856,338.24
  4. Step 4: Simplify right side
    2,629,266.24x = 3,377,311,973,693.65
  5. Step 5: Solve for x
    x = 3,377,311,973,693.65/2,629,266.24
  6. Step 6: Final answer
    x = 1,284,507.41

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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.