Home / 3,885,620.59-5,362,242.22-2,143,342.92

Finding the Fourth Proportional to 3,885,620.59, 5,362,242.22 and 2,143,342.92

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Solution

The fourth proportional to 3,885,620.59, 5,362,242.22 and 2,143,342.92 is: 2,957,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,620.59 : 5,362,242.22 = 2,143,342.92 : x
  2. Step 2: Convert to fraction form
    3,885,620.59/5,362,242.22 = 2,143,342.92/x
  3. Step 3: Cross multiply
    3,885,620.59x = 5,362,242.22 × 2,143,342.92
  4. Step 4: Simplify right side
    3,885,620.59x = 11,493,123,878,798.12
  5. Step 5: Solve for x
    x = 11,493,123,878,798.12/3,885,620.59
  6. Step 6: Final answer
    x = 2,957,860.56

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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.