Home / 3,879,586-5,354,247.31-2,137,433.41

Finding the Fourth Proportional to 3,879,586, 5,354,247.31 and 2,137,433.41

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Solution

The fourth proportional to 3,879,586, 5,354,247.31 and 2,137,433.41 is: 2,949,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,586 : 5,354,247.31 = 2,137,433.41 : x
  2. Step 2: Convert to fraction form
    3,879,586/5,354,247.31 = 2,137,433.41/x
  3. Step 3: Cross multiply
    3,879,586x = 5,354,247.31 × 2,137,433.41
  4. Step 4: Simplify right side
    3,879,586x = 11,444,347,085,796.63
  5. Step 5: Solve for x
    x = 11,444,347,085,796.63/3,879,586
  6. Step 6: Final answer
    x = 2,949,888.75

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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.