Home / 2,815,074.48-4,222,552.56-685,170.48

Finding the Fourth Proportional to 2,815,074.48, 4,222,552.56 and 685,170.48

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Solution

The fourth proportional to 2,815,074.48, 4,222,552.56 and 685,170.48 is: 1,027,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,074.48 : 4,222,552.56 = 685,170.48 : x
  2. Step 2: Convert to fraction form
    2,815,074.48/4,222,552.56 = 685,170.48/x
  3. Step 3: Cross multiply
    2,815,074.48x = 4,222,552.56 × 685,170.48
  4. Step 4: Simplify right side
    2,815,074.48x = 2,893,168,364,360.43
  5. Step 5: Solve for x
    x = 2,893,168,364,360.43/2,815,074.48
  6. Step 6: Final answer
    x = 1,027,741.32

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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.