Home / 3,458,212.80-5,188,226.40-1,328,366.40

Finding the Fourth Proportional to 3,458,212.80, 5,188,226.40 and 1,328,366.40

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Solution

The fourth proportional to 3,458,212.80, 5,188,226.40 and 1,328,366.40 is: 1,992,898.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,212.80 : 5,188,226.40 = 1,328,366.40 : x
  2. Step 2: Convert to fraction form
    3,458,212.80/5,188,226.40 = 1,328,366.40/x
  3. Step 3: Cross multiply
    3,458,212.80x = 5,188,226.40 × 1,328,366.40
  4. Step 4: Simplify right side
    3,458,212.80x = 6,891,865,625,352.96
  5. Step 5: Solve for x
    x = 6,891,865,625,352.96/3,458,212.80
  6. Step 6: Final answer
    x = 1,992,898.07

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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.