Home / 3,826,809-5,280,996.42-2,107,924.20

Finding the Fourth Proportional to 3,826,809, 5,280,996.42 and 2,107,924.20

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Solution

The fourth proportional to 3,826,809, 5,280,996.42 and 2,107,924.20 is: 2,908,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,809 : 5,280,996.42 = 2,107,924.20 : x
  2. Step 2: Convert to fraction form
    3,826,809/5,280,996.42 = 2,107,924.20/x
  3. Step 3: Cross multiply
    3,826,809x = 5,280,996.42 × 2,107,924.20
  4. Step 4: Simplify right side
    3,826,809x = 11,131,940,153,831.37
  5. Step 5: Solve for x
    x = 11,131,940,153,831.37/3,826,809
  6. Step 6: Final answer
    x = 2,908,935.40

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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.