Home / 3,826,395.72-5,280,665.40-2,107,515.78

Finding the Fourth Proportional to 3,826,395.72, 5,280,665.40 and 2,107,515.78

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Solution

The fourth proportional to 3,826,395.72, 5,280,665.40 and 2,107,515.78 is: 2,908,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,395.72 : 5,280,665.40 = 2,107,515.78 : x
  2. Step 2: Convert to fraction form
    3,826,395.72/5,280,665.40 = 2,107,515.78/x
  3. Step 3: Cross multiply
    3,826,395.72x = 5,280,665.40 × 2,107,515.78
  4. Step 4: Simplify right side
    3,826,395.72x = 11,129,085,659,400.01
  5. Step 5: Solve for x
    x = 11,129,085,659,400.01/3,826,395.72
  6. Step 6: Final answer
    x = 2,908,503.58

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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.