Home / 5,322,511.24-7,983,766.02-1,278,999.08

Finding the Fourth Proportional to 5,322,511.24, 7,983,766.02 and 1,278,999.08

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Solution

The fourth proportional to 5,322,511.24, 7,983,766.02 and 1,278,999.08 is: 1,918,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322,511.24 : 7,983,766.02 = 1,278,999.08 : x
  2. Step 2: Convert to fraction form
    5,322,511.24/7,983,766.02 = 1,278,999.08/x
  3. Step 3: Cross multiply
    5,322,511.24x = 7,983,766.02 × 1,278,999.08
  4. Step 4: Simplify right side
    5,322,511.24x = 10,211,229,394,515.26
  5. Step 5: Solve for x
    x = 10,211,229,394,515.26/5,322,511.24
  6. Step 6: Final answer
    x = 1,918,498.42

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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.