Home / 5,101,561.80-7,652,121.30-1,906,715.64

Finding the Fourth Proportional to 5,101,561.80, 7,652,121.30 and 1,906,715.64

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Solution

The fourth proportional to 5,101,561.80, 7,652,121.30 and 1,906,715.64 is: 2,859,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,561.80 : 7,652,121.30 = 1,906,715.64 : x
  2. Step 2: Convert to fraction form
    5,101,561.80/7,652,121.30 = 1,906,715.64/x
  3. Step 3: Cross multiply
    5,101,561.80x = 7,652,121.30 × 1,906,715.64
  4. Step 4: Simplify right side
    5,101,561.80x = 14,590,419,361,887.13
  5. Step 5: Solve for x
    x = 14,590,419,361,887.13/5,101,561.80
  6. Step 6: Final answer
    x = 2,859,990.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.