Home / 4,311,655.20-6,466,379.64-1,278,311.76

Finding the Fourth Proportional to 4,311,655.20, 6,466,379.64 and 1,278,311.76

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Solution

The fourth proportional to 4,311,655.20, 6,466,379.64 and 1,278,311.76 is: 1,917,140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311,655.20 : 6,466,379.64 = 1,278,311.76 : x
  2. Step 2: Convert to fraction form
    4,311,655.20/6,466,379.64 = 1,278,311.76/x
  3. Step 3: Cross multiply
    4,311,655.20x = 6,466,379.64 × 1,278,311.76
  4. Step 4: Simplify right side
    4,311,655.20x = 8,266,049,138,436.57
  5. Step 5: Solve for x
    x = 8,266,049,138,436.57/4,311,655.20
  6. Step 6: Final answer
    x = 1,917,140.58

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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.