Home / 2,586,422.85-3,879,634.32-789,315.54

Finding the Fourth Proportional to 2,586,422.85, 3,879,634.32 and 789,315.54

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Solution

The fourth proportional to 2,586,422.85, 3,879,634.32 and 789,315.54 is: 1,183,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,422.85 : 3,879,634.32 = 789,315.54 : x
  2. Step 2: Convert to fraction form
    2,586,422.85/3,879,634.32 = 789,315.54/x
  3. Step 3: Cross multiply
    2,586,422.85x = 3,879,634.32 × 789,315.54
  4. Step 4: Simplify right side
    2,586,422.85x = 3,062,255,658,293.33
  5. Step 5: Solve for x
    x = 3,062,255,658,293.33/2,586,422.85
  6. Step 6: Final answer
    x = 1,183,973.32

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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.