Home / 3,509,826-5,264,739.72-1,265,963.76

Finding the Fourth Proportional to 3,509,826, 5,264,739.72 and 1,265,963.76

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Solution

The fourth proportional to 3,509,826, 5,264,739.72 and 1,265,963.76 is: 1,898,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509,826 : 5,264,739.72 = 1,265,963.76 : x
  2. Step 2: Convert to fraction form
    3,509,826/5,264,739.72 = 1,265,963.76/x
  3. Step 3: Cross multiply
    3,509,826x = 5,264,739.72 × 1,265,963.76
  4. Step 4: Simplify right side
    3,509,826x = 6,664,969,691,352.55
  5. Step 5: Solve for x
    x = 6,664,969,691,352.55/3,509,826
  6. Step 6: Final answer
    x = 1,898,945.90

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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.