Home / 3,211,912.98-4,816,344.51-1,864,488.78

Finding the Fourth Proportional to 3,211,912.98, 4,816,344.51 and 1,864,488.78

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Solution

The fourth proportional to 3,211,912.98, 4,816,344.51 and 1,864,488.78 is: 2,795,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,912.98 : 4,816,344.51 = 1,864,488.78 : x
  2. Step 2: Convert to fraction form
    3,211,912.98/4,816,344.51 = 1,864,488.78/x
  3. Step 3: Cross multiply
    3,211,912.98x = 4,816,344.51 × 1,864,488.78
  4. Step 4: Simplify right side
    3,211,912.98x = 8,980,020,299,509.60
  5. Step 5: Solve for x
    x = 8,980,020,299,509.60/3,211,912.98
  6. Step 6: Final answer
    x = 2,795,847.94

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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.