Home / 2,051,845.23-3,077,926.71-685,623.65

Finding the Fourth Proportional to 2,051,845.23, 3,077,926.71 and 685,623.65

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Solution

The fourth proportional to 2,051,845.23, 3,077,926.71 and 685,623.65 is: 1,028,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,845.23 : 3,077,926.71 = 685,623.65 : x
  2. Step 2: Convert to fraction form
    2,051,845.23/3,077,926.71 = 685,623.65/x
  3. Step 3: Cross multiply
    2,051,845.23x = 3,077,926.71 × 685,623.65
  4. Step 4: Simplify right side
    2,051,845.23x = 2,110,299,345,342.69
  5. Step 5: Solve for x
    x = 2,110,299,345,342.69/2,051,845.23
  6. Step 6: Final answer
    x = 1,028,488.56

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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.