Home / 3,921,558.66-5,411,633.09-2,179,222.20

Finding the Fourth Proportional to 3,921,558.66, 5,411,633.09 and 2,179,222.20

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Solution

The fourth proportional to 3,921,558.66, 5,411,633.09 and 2,179,222.20 is: 3,007,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,558.66 : 5,411,633.09 = 2,179,222.20 : x
  2. Step 2: Convert to fraction form
    3,921,558.66/5,411,633.09 = 2,179,222.20/x
  3. Step 3: Cross multiply
    3,921,558.66x = 5,411,633.09 × 2,179,222.20
  4. Step 4: Simplify right side
    3,921,558.66x = 11,793,150,957,086.49
  5. Step 5: Solve for x
    x = 11,793,150,957,086.49/3,921,558.66
  6. Step 6: Final answer
    x = 3,007,261.14

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1.5x scale

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.