Home / 3,820,863.60-5,272,600.32-2,101,939.92

Finding the Fourth Proportional to 3,820,863.60, 5,272,600.32 and 2,101,939.92

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Solution

The fourth proportional to 3,820,863.60, 5,272,600.32 and 2,101,939.92 is: 2,900,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,863.60 : 5,272,600.32 = 2,101,939.92 : x
  2. Step 2: Convert to fraction form
    3,820,863.60/5,272,600.32 = 2,101,939.92/x
  3. Step 3: Cross multiply
    3,820,863.60x = 5,272,600.32 × 2,101,939.92
  4. Step 4: Simplify right side
    3,820,863.60x = 11,082,689,094,812.78
  5. Step 5: Solve for x
    x = 11,082,689,094,812.78/3,820,863.60
  6. Step 6: Final answer
    x = 2,900,571.77

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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.