Home / 2,090,851.20-3,131,611.20-1,615,996.80

Finding the Fourth Proportional to 2,090,851.20, 3,131,611.20 and 1,615,996.80

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Solution

The fourth proportional to 2,090,851.20, 3,131,611.20 and 1,615,996.80 is: 2,420,389.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,851.20 : 3,131,611.20 = 1,615,996.80 : x
  2. Step 2: Convert to fraction form
    2,090,851.20/3,131,611.20 = 1,615,996.80/x
  3. Step 3: Cross multiply
    2,090,851.20x = 3,131,611.20 × 1,615,996.80
  4. Step 4: Simplify right side
    2,090,851.20x = 5,060,673,678,044.16
  5. Step 5: Solve for x
    x = 5,060,673,678,044.16/2,090,851.20
  6. Step 6: Final answer
    x = 2,420,389.21

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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.