Home / 2,853,912.73-4,280,413.40-831,683.62

Finding the Fourth Proportional to 2,853,912.73, 4,280,413.40 and 831,683.62

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Solution

The fourth proportional to 2,853,912.73, 4,280,413.40 and 831,683.62 is: 1,247,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853,912.73 : 4,280,413.40 = 831,683.62 : x
  2. Step 2: Convert to fraction form
    2,853,912.73/4,280,413.40 = 831,683.62/x
  3. Step 3: Cross multiply
    2,853,912.73x = 4,280,413.40 × 831,683.62
  4. Step 4: Simplify right side
    2,853,912.73x = 3,559,949,711,608.51
  5. Step 5: Solve for x
    x = 3,559,949,711,608.51/2,853,912.73
  6. Step 6: Final answer
    x = 1,247,392.63

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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.