Home / 5,154,408.88-7,112,660.76-2,831,181.33

Finding the Fourth Proportional to 5,154,408.88, 7,112,660.76 and 2,831,181.33

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Solution

The fourth proportional to 5,154,408.88, 7,112,660.76 and 2,831,181.33 is: 3,906,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,408.88 : 7,112,660.76 = 2,831,181.33 : x
  2. Step 2: Convert to fraction form
    5,154,408.88/7,112,660.76 = 2,831,181.33/x
  3. Step 3: Cross multiply
    5,154,408.88x = 7,112,660.76 × 2,831,181.33
  4. Step 4: Simplify right side
    5,154,408.88x = 20,137,232,364,578.29
  5. Step 5: Solve for x
    x = 20,137,232,364,578.29/5,154,408.88
  6. Step 6: Final answer
    x = 3,906,797.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.