Home / 2,617,267.75-3,925,902.53-820,290.65

Finding the Fourth Proportional to 2,617,267.75, 3,925,902.53 and 820,290.65

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Solution

The fourth proportional to 2,617,267.75, 3,925,902.53 and 820,290.65 is: 1,230,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,267.75 : 3,925,902.53 = 820,290.65 : x
  2. Step 2: Convert to fraction form
    2,617,267.75/3,925,902.53 = 820,290.65/x
  3. Step 3: Cross multiply
    2,617,267.75x = 3,925,902.53 × 820,290.65
  4. Step 4: Simplify right side
    2,617,267.75x = 3,220,381,120,591.56
  5. Step 5: Solve for x
    x = 3,220,381,120,591.56/2,617,267.75
  6. Step 6: Final answer
    x = 1,230,436.25

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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.