Home / 2,268,145.80-3,402,218.70-1,960,216.20

Finding the Fourth Proportional to 2,268,145.80, 3,402,218.70 and 1,960,216.20

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Solution

The fourth proportional to 2,268,145.80, 3,402,218.70 and 1,960,216.20 is: 2,940,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268,145.80 : 3,402,218.70 = 1,960,216.20 : x
  2. Step 2: Convert to fraction form
    2,268,145.80/3,402,218.70 = 1,960,216.20/x
  3. Step 3: Cross multiply
    2,268,145.80x = 3,402,218.70 × 1,960,216.20
  4. Step 4: Simplify right side
    2,268,145.80x = 6,669,084,211,682.94
  5. Step 5: Solve for x
    x = 6,669,084,211,682.94/2,268,145.80
  6. Step 6: Final answer
    x = 2,940,324.30

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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.