Home / 2,757,138.40-4,135,837.20-863,941.60

Finding the Fourth Proportional to 2,757,138.40, 4,135,837.20 and 863,941.60

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Solution

The fourth proportional to 2,757,138.40, 4,135,837.20 and 863,941.60 is: 1,295,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757,138.40 : 4,135,837.20 = 863,941.60 : x
  2. Step 2: Convert to fraction form
    2,757,138.40/4,135,837.20 = 863,941.60/x
  3. Step 3: Cross multiply
    2,757,138.40x = 4,135,837.20 × 863,941.60
  4. Step 4: Simplify right side
    2,757,138.40x = 3,573,121,807,907.52
  5. Step 5: Solve for x
    x = 3,573,121,807,907.52/2,757,138.40
  6. Step 6: Final answer
    x = 1,295,953.01

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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.