Home / 2,079,719.80-3,119,579.70-1,180,814.20

Finding the Fourth Proportional to 2,079,719.80, 3,119,579.70 and 1,180,814.20

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Solution

The fourth proportional to 2,079,719.80, 3,119,579.70 and 1,180,814.20 is: 1,771,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,719.80 : 3,119,579.70 = 1,180,814.20 : x
  2. Step 2: Convert to fraction form
    2,079,719.80/3,119,579.70 = 1,180,814.20/x
  3. Step 3: Cross multiply
    2,079,719.80x = 3,119,579.70 × 1,180,814.20
  4. Step 4: Simplify right side
    2,079,719.80x = 3,683,644,007,791.74
  5. Step 5: Solve for x
    x = 3,683,644,007,791.74/2,079,719.80
  6. Step 6: Final answer
    x = 1,771,221.30

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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.