Home / 2,115,181.33-2,918,984.16-1,148,310.86

Finding the Fourth Proportional to 2,115,181.33, 2,918,984.16 and 1,148,310.86

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Solution

The fourth proportional to 2,115,181.33, 2,918,984.16 and 1,148,310.86 is: 1,584,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,181.33 : 2,918,984.16 = 1,148,310.86 : x
  2. Step 2: Convert to fraction form
    2,115,181.33/2,918,984.16 = 1,148,310.86/x
  3. Step 3: Cross multiply
    2,115,181.33x = 2,918,984.16 × 1,148,310.86
  4. Step 4: Simplify right side
    2,115,181.33x = 3,351,901,190,759.50
  5. Step 5: Solve for x
    x = 3,351,901,190,759.50/2,115,181.33
  6. Step 6: Final answer
    x = 1,584,687.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.