Home / 6,418,856.39-9,628,845.00-1,626,545.83

Finding the Fourth Proportional to 6,418,856.39, 9,628,845.00 and 1,626,545.83

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Solution

The fourth proportional to 6,418,856.39, 9,628,845.00 and 1,626,545.83 is: 2,439,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,856.39 : 9,628,845.00 = 1,626,545.83 : x
  2. Step 2: Convert to fraction form
    6,418,856.39/9,628,845.00 = 1,626,545.83/x
  3. Step 3: Cross multiply
    6,418,856.39x = 9,628,845.00 × 1,626,545.83
  4. Step 4: Simplify right side
    6,418,856.39x = 15,661,757,643,451.55
  5. Step 5: Solve for x
    x = 15,661,757,643,451.55/6,418,856.39
  6. Step 6: Final answer
    x = 2,439,960.75

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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.