Home / 3,100,231.50-4,278,720.39-1,742,104.62

Finding the Fourth Proportional to 3,100,231.50, 4,278,720.39 and 1,742,104.62

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Solution

The fourth proportional to 3,100,231.50, 4,278,720.39 and 1,742,104.62 is: 2,404,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,231.50 : 4,278,720.39 = 1,742,104.62 : x
  2. Step 2: Convert to fraction form
    3,100,231.50/4,278,720.39 = 1,742,104.62/x
  3. Step 3: Cross multiply
    3,100,231.50x = 4,278,720.39 × 1,742,104.62
  4. Step 4: Simplify right side
    3,100,231.50x = 7,453,978,559,107.20
  5. Step 5: Solve for x
    x = 7,453,978,559,107.20/3,100,231.50
  6. Step 6: Final answer
    x = 2,404,329.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.