Home / 3,261,985.20-4,892,977.80-866,199.60

Finding the Fourth Proportional to 3,261,985.20, 4,892,977.80 and 866,199.60

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Solution

The fourth proportional to 3,261,985.20, 4,892,977.80 and 866,199.60 is: 1,299,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261,985.20 : 4,892,977.80 = 866,199.60 : x
  2. Step 2: Convert to fraction form
    3,261,985.20/4,892,977.80 = 866,199.60/x
  3. Step 3: Cross multiply
    3,261,985.20x = 4,892,977.80 × 866,199.60
  4. Step 4: Simplify right side
    3,261,985.20x = 4,238,295,413,168.88
  5. Step 5: Solve for x
    x = 4,238,295,413,168.88/3,261,985.20
  6. Step 6: Final answer
    x = 1,299,299.40

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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.