Home / 2,140,589.03-3,211,355.84-624,390.59

Finding the Fourth Proportional to 2,140,589.03, 3,211,355.84 and 624,390.59

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Solution

The fourth proportional to 2,140,589.03, 3,211,355.84 and 624,390.59 is: 936,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,589.03 : 3,211,355.84 = 624,390.59 : x
  2. Step 2: Convert to fraction form
    2,140,589.03/3,211,355.84 = 624,390.59/x
  3. Step 3: Cross multiply
    2,140,589.03x = 3,211,355.84 × 624,390.59
  4. Step 4: Simplify right side
    2,140,589.03x = 2,005,140,372,543.98
  5. Step 5: Solve for x
    x = 2,005,140,372,543.98/2,140,589.03
  6. Step 6: Final answer
    x = 936,723.65

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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.