Home / 2,778,205.80-4,160,310.30-2,218,333.80

Finding the Fourth Proportional to 2,778,205.80, 4,160,310.30 and 2,218,333.80

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Solution

The fourth proportional to 2,778,205.80, 4,160,310.30 and 2,218,333.80 is: 3,321,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,205.80 : 4,160,310.30 = 2,218,333.80 : x
  2. Step 2: Convert to fraction form
    2,778,205.80/4,160,310.30 = 2,218,333.80/x
  3. Step 3: Cross multiply
    2,778,205.80x = 4,160,310.30 × 2,218,333.80
  4. Step 4: Simplify right side
    2,778,205.80x = 9,228,956,956,978.14
  5. Step 5: Solve for x
    x = 9,228,956,956,978.14/2,778,205.80
  6. Step 6: Final answer
    x = 3,321,912.64

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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.