Home / 3,209,648.73-4,816,560.06-1,389,790.86

Finding the Fourth Proportional to 3,209,648.73, 4,816,560.06 and 1,389,790.86

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Solution

The fourth proportional to 3,209,648.73, 4,816,560.06 and 1,389,790.86 is: 2,085,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,648.73 : 4,816,560.06 = 1,389,790.86 : x
  2. Step 2: Convert to fraction form
    3,209,648.73/4,816,560.06 = 1,389,790.86/x
  3. Step 3: Cross multiply
    3,209,648.73x = 4,816,560.06 × 1,389,790.86
  4. Step 4: Simplify right side
    3,209,648.73x = 6,694,011,148,029.05
  5. Step 5: Solve for x
    x = 6,694,011,148,029.05/3,209,648.73
  6. Step 6: Final answer
    x = 2,085,589.95

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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.