Home / 3,125,669.54-4,687,571.19-1,328,545.22

Finding the Fourth Proportional to 3,125,669.54, 4,687,571.19 and 1,328,545.22

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Solution

The fourth proportional to 3,125,669.54, 4,687,571.19 and 1,328,545.22 is: 1,992,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,669.54 : 4,687,571.19 = 1,328,545.22 : x
  2. Step 2: Convert to fraction form
    3,125,669.54/4,687,571.19 = 1,328,545.22/x
  3. Step 3: Cross multiply
    3,125,669.54x = 4,687,571.19 × 1,328,545.22
  4. Step 4: Simplify right side
    3,125,669.54x = 6,227,650,297,884.21
  5. Step 5: Solve for x
    x = 6,227,650,297,884.21/3,125,669.54
  6. Step 6: Final answer
    x = 1,992,421.21

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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.