Home / 2,770,977.60-4,159,576.80-2,142,676.80

Finding the Fourth Proportional to 2,770,977.60, 4,159,576.80 and 2,142,676.80

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Solution

The fourth proportional to 2,770,977.60, 4,159,576.80 and 2,142,676.80 is: 3,216,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770,977.60 : 4,159,576.80 = 2,142,676.80 : x
  2. Step 2: Convert to fraction form
    2,770,977.60/4,159,576.80 = 2,142,676.80/x
  3. Step 3: Cross multiply
    2,770,977.60x = 4,159,576.80 × 2,142,676.80
  4. Step 4: Simplify right side
    2,770,977.60x = 8,912,628,707,178.24
  5. Step 5: Solve for x
    x = 8,912,628,707,178.24/2,770,977.60
  6. Step 6: Final answer
    x = 3,216,420.34

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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.