Home / 2,757,155.40-4,135,862.70-863,958.60

Finding the Fourth Proportional to 2,757,155.40, 4,135,862.70 and 863,958.60

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Solution

The fourth proportional to 2,757,155.40, 4,135,862.70 and 863,958.60 is: 1,295,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757,155.40 : 4,135,862.70 = 863,958.60 : x
  2. Step 2: Convert to fraction form
    2,757,155.40/4,135,862.70 = 863,958.60/x
  3. Step 3: Cross multiply
    2,757,155.40x = 4,135,862.70 × 863,958.60
  4. Step 4: Simplify right side
    2,757,155.40x = 3,573,214,148,084.22
  5. Step 5: Solve for x
    x = 3,573,214,148,084.22/2,757,155.40
  6. Step 6: Final answer
    x = 1,295,978.51

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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.