Home / 6,138,872.72-9,206,737.81-1,819,912.98

Finding the Fourth Proportional to 6,138,872.72, 9,206,737.81 and 1,819,912.98

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Solution

The fourth proportional to 6,138,872.72, 9,206,737.81 and 1,819,912.98 is: 2,729,403.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138,872.72 : 9,206,737.81 = 1,819,912.98 : x
  2. Step 2: Convert to fraction form
    6,138,872.72/9,206,737.81 = 1,819,912.98/x
  3. Step 3: Cross multiply
    6,138,872.72x = 9,206,737.81 × 1,819,912.98
  4. Step 4: Simplify right side
    6,138,872.72x = 16,755,461,639,325.99
  5. Step 5: Solve for x
    x = 16,755,461,639,325.99/6,138,872.72
  6. Step 6: Final answer
    x = 2,729,403.66

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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.