Home / 2,121,668.52-2,927,965.92-1,306,342.57

Finding the Fourth Proportional to 2,121,668.52, 2,927,965.92 and 1,306,342.57

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Solution

The fourth proportional to 2,121,668.52, 2,927,965.92 and 1,306,342.57 is: 1,802,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,668.52 : 2,927,965.92 = 1,306,342.57 : x
  2. Step 2: Convert to fraction form
    2,121,668.52/2,927,965.92 = 1,306,342.57/x
  3. Step 3: Cross multiply
    2,121,668.52x = 2,927,965.92 × 1,306,342.57
  4. Step 4: Simplify right side
    2,121,668.52x = 3,824,926,520,751.16
  5. Step 5: Solve for x
    x = 3,824,926,520,751.16/2,121,668.52
  6. Step 6: Final answer
    x = 1,802,791.76

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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.