Home / 3,890,413.20-5,831,472.60-1,493,331.60

Finding the Fourth Proportional to 3,890,413.20, 5,831,472.60 and 1,493,331.60

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Solution

The fourth proportional to 3,890,413.20, 5,831,472.60 and 1,493,331.60 is: 2,238,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,413.20 : 5,831,472.60 = 1,493,331.60 : x
  2. Step 2: Convert to fraction form
    3,890,413.20/5,831,472.60 = 1,493,331.60/x
  3. Step 3: Cross multiply
    3,890,413.20x = 5,831,472.60 × 1,493,331.60
  4. Step 4: Simplify right side
    3,890,413.20x = 8,708,322,308,114.16
  5. Step 5: Solve for x
    x = 8,708,322,308,114.16/3,890,413.20
  6. Step 6: Final answer
    x = 2,238,405.50

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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.