Home / 3,121,413.57-4,682,495.52-1,099,239.57

Finding the Fourth Proportional to 3,121,413.57, 4,682,495.52 and 1,099,239.57

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Solution

The fourth proportional to 3,121,413.57, 4,682,495.52 and 1,099,239.57 is: 1,648,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,413.57 : 4,682,495.52 = 1,099,239.57 : x
  2. Step 2: Convert to fraction form
    3,121,413.57/4,682,495.52 = 1,099,239.57/x
  3. Step 3: Cross multiply
    3,121,413.57x = 4,682,495.52 × 1,099,239.57
  4. Step 4: Simplify right side
    3,121,413.57x = 5,147,184,361,931.73
  5. Step 5: Solve for x
    x = 5,147,184,361,931.73/3,121,413.57
  6. Step 6: Final answer
    x = 1,648,991.47

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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.