Home / 3,458,209.80-5,188,221.90-1,328,363.40

Finding the Fourth Proportional to 3,458,209.80, 5,188,221.90 and 1,328,363.40

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Solution

The fourth proportional to 3,458,209.80, 5,188,221.90 and 1,328,363.40 is: 1,992,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,209.80 : 5,188,221.90 = 1,328,363.40 : x
  2. Step 2: Convert to fraction form
    3,458,209.80/5,188,221.90 = 1,328,363.40/x
  3. Step 3: Cross multiply
    3,458,209.80x = 5,188,221.90 × 1,328,363.40
  4. Step 4: Simplify right side
    3,458,209.80x = 6,891,844,083,038.46
  5. Step 5: Solve for x
    x = 6,891,844,083,038.46/3,458,209.80
  6. Step 6: Final answer
    x = 1,992,893.57

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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.