Home / 3,379,450.95-5,069,132.67-820,686.87

Finding the Fourth Proportional to 3,379,450.95, 5,069,132.67 and 820,686.87

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Solution

The fourth proportional to 3,379,450.95, 5,069,132.67 and 820,686.87 is: 1,231,019.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,450.95 : 5,069,132.67 = 820,686.87 : x
  2. Step 2: Convert to fraction form
    3,379,450.95/5,069,132.67 = 820,686.87/x
  3. Step 3: Cross multiply
    3,379,450.95x = 5,069,132.67 × 820,686.87
  4. Step 4: Simplify right side
    3,379,450.95x = 4,160,170,624,557.04
  5. Step 5: Solve for x
    x = 4,160,170,624,557.04/3,379,450.95
  6. Step 6: Final answer
    x = 1,231,019.68

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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.