Home / 6,790,618.09-10,187,545.52-1,998,463.69

Finding the Fourth Proportional to 6,790,618.09, 10,187,545.52 and 1,998,463.69

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Solution

The fourth proportional to 6,790,618.09, 10,187,545.52 and 1,998,463.69 is: 2,998,171.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790,618.09 : 10,187,545.52 = 1,998,463.69 : x
  2. Step 2: Convert to fraction form
    6,790,618.09/10,187,545.52 = 1,998,463.69/x
  3. Step 3: Cross multiply
    6,790,618.09x = 10,187,545.52 × 1,998,463.69
  4. Step 4: Simplify right side
    6,790,618.09x = 20,359,439,811,942.17
  5. Step 5: Solve for x
    x = 20,359,439,811,942.17/6,790,618.09
  6. Step 6: Final answer
    x = 2,998,171.82

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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.