Home / 2,055,395.80-3,082,940.10-857,008.60

Finding the Fourth Proportional to 2,055,395.80, 3,082,940.10 and 857,008.60

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Solution

The fourth proportional to 2,055,395.80, 3,082,940.10 and 857,008.60 is: 1,285,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,395.80 : 3,082,940.10 = 857,008.60 : x
  2. Step 2: Convert to fraction form
    2,055,395.80/3,082,940.10 = 857,008.60/x
  3. Step 3: Cross multiply
    2,055,395.80x = 3,082,940.10 × 857,008.60
  4. Step 4: Simplify right side
    2,055,395.80x = 2,642,106,178,984.86
  5. Step 5: Solve for x
    x = 2,642,106,178,984.86/2,055,395.80
  6. Step 6: Final answer
    x = 1,285,448.86

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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.