Home / 5,322,505.59-7,983,757.50-1,278,993.39

Finding the Fourth Proportional to 5,322,505.59, 7,983,757.50 and 1,278,993.39

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Solution

The fourth proportional to 5,322,505.59, 7,983,757.50 and 1,278,993.39 is: 1,918,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322,505.59 : 7,983,757.50 = 1,278,993.39 : x
  2. Step 2: Convert to fraction form
    5,322,505.59/7,983,757.50 = 1,278,993.39/x
  3. Step 3: Cross multiply
    5,322,505.59x = 7,983,757.50 × 1,278,993.39
  4. Step 4: Simplify right side
    5,322,505.59x = 10,211,173,069,862.92
  5. Step 5: Solve for x
    x = 10,211,173,069,862.92/5,322,505.59
  6. Step 6: Final answer
    x = 1,918,489.87

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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.