Home / 5,760,115.20-8,640,172.80-1,771,027.20

Finding the Fourth Proportional to 5,760,115.20, 8,640,172.80 and 1,771,027.20

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Solution

The fourth proportional to 5,760,115.20, 8,640,172.80 and 1,771,027.20 is: 2,656,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760,115.20 : 8,640,172.80 = 1,771,027.20 : x
  2. Step 2: Convert to fraction form
    5,760,115.20/8,640,172.80 = 1,771,027.20/x
  3. Step 3: Cross multiply
    5,760,115.20x = 8,640,172.80 × 1,771,027.20
  4. Step 4: Simplify right side
    5,760,115.20x = 15,301,981,041,500.16
  5. Step 5: Solve for x
    x = 15,301,981,041,500.16/5,760,115.20
  6. Step 6: Final answer
    x = 2,656,540.80

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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.