Home / 3,826,808.50-5,280,995.73-2,107,923.70

Finding the Fourth Proportional to 3,826,808.50, 5,280,995.73 and 2,107,923.70

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Solution

The fourth proportional to 3,826,808.50, 5,280,995.73 and 2,107,923.70 is: 2,908,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,808.50 : 5,280,995.73 = 2,107,923.70 : x
  2. Step 2: Convert to fraction form
    3,826,808.50/5,280,995.73 = 2,107,923.70/x
  3. Step 3: Cross multiply
    3,826,808.50x = 5,280,995.73 × 2,107,923.70
  4. Step 4: Simplify right side
    3,826,808.50x = 11,131,936,058,865.80
  5. Step 5: Solve for x
    x = 11,131,936,058,865.80/3,826,808.50
  6. Step 6: Final answer
    x = 2,908,934.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.