Home / 2,102,719.20-3,154,078.47-505,282.29

Finding the Fourth Proportional to 2,102,719.20, 3,154,078.47 and 505,282.29

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Solution

The fourth proportional to 2,102,719.20, 3,154,078.47 and 505,282.29 is: 757,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,719.20 : 3,154,078.47 = 505,282.29 : x
  2. Step 2: Convert to fraction form
    2,102,719.20/3,154,078.47 = 505,282.29/x
  3. Step 3: Cross multiply
    2,102,719.20x = 3,154,078.47 × 505,282.29
  4. Step 4: Simplify right side
    2,102,719.20x = 1,593,699,992,161.30
  5. Step 5: Solve for x
    x = 1,593,699,992,161.30/2,102,719.20
  6. Step 6: Final answer
    x = 757,923.36

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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.