Home / 5,085,232.78-7,015,643.45-2,879,589.28

Finding the Fourth Proportional to 5,085,232.78, 7,015,643.45 and 2,879,589.28

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Solution

The fourth proportional to 5,085,232.78, 7,015,643.45 and 2,879,589.28 is: 3,972,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085,232.78 : 7,015,643.45 = 2,879,589.28 : x
  2. Step 2: Convert to fraction form
    5,085,232.78/7,015,643.45 = 2,879,589.28/x
  3. Step 3: Cross multiply
    5,085,232.78x = 7,015,643.45 × 2,879,589.28
  4. Step 4: Simplify right side
    5,085,232.78x = 20,202,171,670,922.21
  5. Step 5: Solve for x
    x = 20,202,171,670,922.21/5,085,232.78
  6. Step 6: Final answer
    x = 3,972,713.26

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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.