Home / 2,815,001.53-4,222,502.73-685,085.62

Finding the Fourth Proportional to 2,815,001.53, 4,222,502.73 and 685,085.62

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Solution

The fourth proportional to 2,815,001.53, 4,222,502.73 and 685,085.62 is: 1,027,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,001.53 : 4,222,502.73 = 685,085.62 : x
  2. Step 2: Convert to fraction form
    2,815,001.53/4,222,502.73 = 685,085.62/x
  3. Step 3: Cross multiply
    2,815,001.53x = 4,222,502.73 × 685,085.62
  4. Step 4: Simplify right side
    2,815,001.53x = 2,892,775,900,733.74
  5. Step 5: Solve for x
    x = 2,892,775,900,733.74/2,815,001.53
  6. Step 6: Final answer
    x = 1,027,628.54

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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.