Home / 2,005,059.80-3,007,589.70-1,911,747.80

Finding the Fourth Proportional to 2,005,059.80, 3,007,589.70 and 1,911,747.80

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Solution

The fourth proportional to 2,005,059.80, 3,007,589.70 and 1,911,747.80 is: 2,867,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,059.80 : 3,007,589.70 = 1,911,747.80 : x
  2. Step 2: Convert to fraction form
    2,005,059.80/3,007,589.70 = 1,911,747.80/x
  3. Step 3: Cross multiply
    2,005,059.80x = 3,007,589.70 × 1,911,747.80
  4. Step 4: Simplify right side
    2,005,059.80x = 5,749,752,992,277.66
  5. Step 5: Solve for x
    x = 5,749,752,992,277.66/2,005,059.80
  6. Step 6: Final answer
    x = 2,867,621.70

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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.