Home / 3,313,174.40-4,969,761.60-1,420,107.20

Finding the Fourth Proportional to 3,313,174.40, 4,969,761.60 and 1,420,107.20

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Solution

The fourth proportional to 3,313,174.40, 4,969,761.60 and 1,420,107.20 is: 2,130,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,174.40 : 4,969,761.60 = 1,420,107.20 : x
  2. Step 2: Convert to fraction form
    3,313,174.40/4,969,761.60 = 1,420,107.20/x
  3. Step 3: Cross multiply
    3,313,174.40x = 4,969,761.60 × 1,420,107.20
  4. Step 4: Simplify right side
    3,313,174.40x = 7,057,594,230,443.52
  5. Step 5: Solve for x
    x = 7,057,594,230,443.52/3,313,174.40
  6. Step 6: Final answer
    x = 2,130,160.80

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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.