Home / 2,102,719.70-3,154,079.22-505,282.80

Finding the Fourth Proportional to 2,102,719.70, 3,154,079.22 and 505,282.80

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Solution

The fourth proportional to 2,102,719.70, 3,154,079.22 and 505,282.80 is: 757,924.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,719.70 : 3,154,079.22 = 505,282.80 : x
  2. Step 2: Convert to fraction form
    2,102,719.70/3,154,079.22 = 505,282.80/x
  3. Step 3: Cross multiply
    2,102,719.70x = 3,154,079.22 × 505,282.80
  4. Step 4: Simplify right side
    2,102,719.70x = 1,593,701,979,703.42
  5. Step 5: Solve for x
    x = 1,593,701,979,703.42/2,102,719.70
  6. Step 6: Final answer
    x = 757,924.12

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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.