Home / 3,151,604.60-4,730,906.10-1,954,878.20

Finding the Fourth Proportional to 3,151,604.60, 4,730,906.10 and 1,954,878.20

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Solution

The fourth proportional to 3,151,604.60, 4,730,906.10 and 1,954,878.20 is: 2,934,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,604.60 : 4,730,906.10 = 1,954,878.20 : x
  2. Step 2: Convert to fraction form
    3,151,604.60/4,730,906.10 = 1,954,878.20/x
  3. Step 3: Cross multiply
    3,151,604.60x = 4,730,906.10 × 1,954,878.20
  4. Step 4: Simplify right side
    3,151,604.60x = 9,248,345,201,137.02
  5. Step 5: Solve for x
    x = 9,248,345,201,137.02/3,151,604.60
  6. Step 6: Final answer
    x = 2,934,487.78

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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.