Home / 5,328,615.20-7,993,959.60-1,542,221.60

Finding the Fourth Proportional to 5,328,615.20, 7,993,959.60 and 1,542,221.60

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Solution

The fourth proportional to 5,328,615.20, 7,993,959.60 and 1,542,221.60 is: 2,313,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,615.20 : 7,993,959.60 = 1,542,221.60 : x
  2. Step 2: Convert to fraction form
    5,328,615.20/7,993,959.60 = 1,542,221.60/x
  3. Step 3: Cross multiply
    5,328,615.20x = 7,993,959.60 × 1,542,221.60
  4. Step 4: Simplify right side
    5,328,615.20x = 12,328,457,164,647.36
  5. Step 5: Solve for x
    x = 12,328,457,164,647.36/5,328,615.20
  6. Step 6: Final answer
    x = 2,313,632.47

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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.