Home / 3,542,405.40-5,313,608.10-1,520,305.20

Finding the Fourth Proportional to 3,542,405.40, 5,313,608.10 and 1,520,305.20

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Solution

The fourth proportional to 3,542,405.40, 5,313,608.10 and 1,520,305.20 is: 2,280,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542,405.40 : 5,313,608.10 = 1,520,305.20 : x
  2. Step 2: Convert to fraction form
    3,542,405.40/5,313,608.10 = 1,520,305.20/x
  3. Step 3: Cross multiply
    3,542,405.40x = 5,313,608.10 × 1,520,305.20
  4. Step 4: Simplify right side
    3,542,405.40x = 8,078,306,025,192.12
  5. Step 5: Solve for x
    x = 8,078,306,025,192.12/3,542,405.40
  6. Step 6: Final answer
    x = 2,280,457.80

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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.