Home / 5,250,907.80-7,876,360.86-1,261,819.80

Finding the Fourth Proportional to 5,250,907.80, 7,876,360.86 and 1,261,819.80

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Solution

The fourth proportional to 5,250,907.80, 7,876,360.86 and 1,261,819.80 is: 1,892,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250,907.80 : 7,876,360.86 = 1,261,819.80 : x
  2. Step 2: Convert to fraction form
    5,250,907.80/7,876,360.86 = 1,261,819.80/x
  3. Step 3: Cross multiply
    5,250,907.80x = 7,876,360.86 × 1,261,819.80
  4. Step 4: Simplify right side
    5,250,907.80x = 9,938,548,085,093.03
  5. Step 5: Solve for x
    x = 9,938,548,085,093.03/5,250,907.80
  6. Step 6: Final answer
    x = 1,892,729.50

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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.