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Finding the Fourth Proportional to 2,653,157.52, 3,978,757.08 and 946,844.28

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Solution

The fourth proportional to 2,653,157.52, 3,978,757.08 and 946,844.28 is: 1,419,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653,157.52 : 3,978,757.08 = 946,844.28 : x
  2. Step 2: Convert to fraction form
    2,653,157.52/3,978,757.08 = 946,844.28/x
  3. Step 3: Cross multiply
    2,653,157.52x = 3,978,757.08 × 946,844.28
  4. Step 4: Simplify right side
    2,653,157.52x = 3,767,263,382,707.50
  5. Step 5: Solve for x
    x = 3,767,263,382,707.50/2,653,157.52
  6. Step 6: Final answer
    x = 1,419,916.97

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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.