Home / 2,157,937.60-3,236,906.40-1,486,091.20

Finding the Fourth Proportional to 2,157,937.60, 3,236,906.40 and 1,486,091.20

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Solution

The fourth proportional to 2,157,937.60, 3,236,906.40 and 1,486,091.20 is: 2,229,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,937.60 : 3,236,906.40 = 1,486,091.20 : x
  2. Step 2: Convert to fraction form
    2,157,937.60/3,236,906.40 = 1,486,091.20/x
  3. Step 3: Cross multiply
    2,157,937.60x = 3,236,906.40 × 1,486,091.20
  4. Step 4: Simplify right side
    2,157,937.60x = 4,810,338,116,263.68
  5. Step 5: Solve for x
    x = 4,810,338,116,263.68/2,157,937.60
  6. Step 6: Final answer
    x = 2,229,136.80

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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.