Home / 5,250,917.28-7,876,374.96-1,261,829.28

Finding the Fourth Proportional to 5,250,917.28, 7,876,374.96 and 1,261,829.28

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Solution

The fourth proportional to 5,250,917.28, 7,876,374.96 and 1,261,829.28 is: 1,892,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250,917.28 : 7,876,374.96 = 1,261,829.28 : x
  2. Step 2: Convert to fraction form
    5,250,917.28/7,876,374.96 = 1,261,829.28/x
  3. Step 3: Cross multiply
    5,250,917.28x = 7,876,374.96 × 1,261,829.28
  4. Step 4: Simplify right side
    5,250,917.28x = 9,938,640,544,786.83
  5. Step 5: Solve for x
    x = 9,938,640,544,786.83/5,250,917.28
  6. Step 6: Final answer
    x = 1,892,743.69

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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.