Home / 2,672,512.80-4,008,769.20-1,255,336.80

Finding the Fourth Proportional to 2,672,512.80, 4,008,769.20 and 1,255,336.80

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Solution

The fourth proportional to 2,672,512.80, 4,008,769.20 and 1,255,336.80 is: 1,883,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,512.80 : 4,008,769.20 = 1,255,336.80 : x
  2. Step 2: Convert to fraction form
    2,672,512.80/4,008,769.20 = 1,255,336.80/x
  3. Step 3: Cross multiply
    2,672,512.80x = 4,008,769.20 × 1,255,336.80
  4. Step 4: Simplify right side
    2,672,512.80x = 5,032,355,499,466.56
  5. Step 5: Solve for x
    x = 5,032,355,499,466.56/2,672,512.80
  6. Step 6: Final answer
    x = 1,883,005.20

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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.