Home / 2,831,718.88-4,244,734.11-911,218.60

Finding the Fourth Proportional to 2,831,718.88, 4,244,734.11 and 911,218.60

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Solution

The fourth proportional to 2,831,718.88, 4,244,734.11 and 911,218.60 is: 1,365,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,718.88 : 4,244,734.11 = 911,218.60 : x
  2. Step 2: Convert to fraction form
    2,831,718.88/4,244,734.11 = 911,218.60/x
  3. Step 3: Cross multiply
    2,831,718.88x = 4,244,734.11 × 911,218.60
  4. Step 4: Simplify right side
    2,831,718.88x = 3,867,880,673,086.45
  5. Step 5: Solve for x
    x = 3,867,880,673,086.45/2,831,718.88
  6. Step 6: Final answer
    x = 1,365,912.66

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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.