Home / 3,220,397.60-4,831,179.60-1,618,930.40

Finding the Fourth Proportional to 3,220,397.60, 4,831,179.60 and 1,618,930.40

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Solution

The fourth proportional to 3,220,397.60, 4,831,179.60 and 1,618,930.40 is: 2,428,688.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,397.60 : 4,831,179.60 = 1,618,930.40 : x
  2. Step 2: Convert to fraction form
    3,220,397.60/4,831,179.60 = 1,618,930.40/x
  3. Step 3: Cross multiply
    3,220,397.60x = 4,831,179.60 × 1,618,930.40
  4. Step 4: Simplify right side
    3,220,397.60x = 7,821,343,522,299.84
  5. Step 5: Solve for x
    x = 7,821,343,522,299.84/3,220,397.60
  6. Step 6: Final answer
    x = 2,428,688.78

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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.