Home / 3,458,255.67-5,187,632.31-1,328,339.88

Finding the Fourth Proportional to 3,458,255.67, 5,187,632.31 and 1,328,339.88

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Solution

The fourth proportional to 3,458,255.67, 5,187,632.31 and 1,328,339.88 is: 1,992,605.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,255.67 : 5,187,632.31 = 1,328,339.88 : x
  2. Step 2: Convert to fraction form
    3,458,255.67/5,187,632.31 = 1,328,339.88/x
  3. Step 3: Cross multiply
    3,458,255.67x = 5,187,632.31 × 1,328,339.88
  4. Step 4: Simplify right side
    3,458,255.67x = 6,890,938,880,149.52
  5. Step 5: Solve for x
    x = 6,890,938,880,149.52/3,458,255.67
  6. Step 6: Final answer
    x = 1,992,605.39

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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.