Home / 3,220,375.60-4,831,146.60-1,618,908.40

Finding the Fourth Proportional to 3,220,375.60, 4,831,146.60 and 1,618,908.40

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Solution

The fourth proportional to 3,220,375.60, 4,831,146.60 and 1,618,908.40 is: 2,428,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,375.60 : 4,831,146.60 = 1,618,908.40 : x
  2. Step 2: Convert to fraction form
    3,220,375.60/4,831,146.60 = 1,618,908.40/x
  3. Step 3: Cross multiply
    3,220,375.60x = 4,831,146.60 × 1,618,908.40
  4. Step 4: Simplify right side
    3,220,375.60x = 7,821,183,812,371.44
  5. Step 5: Solve for x
    x = 7,821,183,812,371.44/3,220,375.60
  6. Step 6: Final answer
    x = 2,428,655.78

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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.