Home / 2,586,490.50-3,879,735.32-789,383.18

Finding the Fourth Proportional to 2,586,490.50, 3,879,735.32 and 789,383.18

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Solution

The fourth proportional to 2,586,490.50, 3,879,735.32 and 789,383.18 is: 1,184,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,490.50 : 3,879,735.32 = 789,383.18 : x
  2. Step 2: Convert to fraction form
    2,586,490.50/3,879,735.32 = 789,383.18/x
  3. Step 3: Cross multiply
    2,586,490.50x = 3,879,735.32 × 789,383.18
  4. Step 4: Simplify right side
    2,586,490.50x = 3,062,597,804,459.92
  5. Step 5: Solve for x
    x = 3,062,597,804,459.92/2,586,490.50
  6. Step 6: Final answer
    x = 1,184,074.64

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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.