Home / 2,859,138.20-4,287,755.80-1,152,840.80

Finding the Fourth Proportional to 2,859,138.20, 4,287,755.80 and 1,152,840.80

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Solution

The fourth proportional to 2,859,138.20, 4,287,755.80 and 1,152,840.80 is: 1,728,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,138.20 : 4,287,755.80 = 1,152,840.80 : x
  2. Step 2: Convert to fraction form
    2,859,138.20/4,287,755.80 = 1,152,840.80/x
  3. Step 3: Cross multiply
    2,859,138.20x = 4,287,755.80 × 1,152,840.80
  4. Step 4: Simplify right side
    2,859,138.20x = 4,943,099,826,676.64
  5. Step 5: Solve for x
    x = 4,943,099,826,676.64/2,859,138.20
  6. Step 6: Final answer
    x = 1,728,877.54

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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.