Home / 2,269,719.74-3,405,077.67-672,407.78

Finding the Fourth Proportional to 2,269,719.74, 3,405,077.67 and 672,407.78

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Solution

The fourth proportional to 2,269,719.74, 3,405,077.67 and 672,407.78 is: 1,008,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269,719.74 : 3,405,077.67 = 672,407.78 : x
  2. Step 2: Convert to fraction form
    2,269,719.74/3,405,077.67 = 672,407.78/x
  3. Step 3: Cross multiply
    2,269,719.74x = 3,405,077.67 × 672,407.78
  4. Step 4: Simplify right side
    2,269,719.74x = 2,289,600,716,812.27
  5. Step 5: Solve for x
    x = 2,289,600,716,812.27/2,269,719.74
  6. Step 6: Final answer
    x = 1,008,759.22

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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.