Home / 5,219,219.80-7,826,268.39-2,144,653.65

Finding the Fourth Proportional to 5,219,219.80, 7,826,268.39 and 2,144,653.65

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Solution

The fourth proportional to 5,219,219.80, 7,826,268.39 and 2,144,653.65 is: 3,215,928.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219,219.80 : 7,826,268.39 = 2,144,653.65 : x
  2. Step 2: Convert to fraction form
    5,219,219.80/7,826,268.39 = 2,144,653.65/x
  3. Step 3: Cross multiply
    5,219,219.80x = 7,826,268.39 × 2,144,653.65
  4. Step 4: Simplify right side
    5,219,219.80x = 16,784,635,068,493.12
  5. Step 5: Solve for x
    x = 16,784,635,068,493.12/5,219,219.80
  6. Step 6: Final answer
    x = 3,215,928.00

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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.