Home / 2,107,271.52-2,907,721.68-1,279,914.48

Finding the Fourth Proportional to 2,107,271.52, 2,907,721.68 and 1,279,914.48

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Solution

The fourth proportional to 2,107,271.52, 2,907,721.68 and 1,279,914.48 is: 1,766,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,271.52 : 2,907,721.68 = 1,279,914.48 : x
  2. Step 2: Convert to fraction form
    2,107,271.52/2,907,721.68 = 1,279,914.48/x
  3. Step 3: Cross multiply
    2,107,271.52x = 2,907,721.68 × 1,279,914.48
  4. Step 4: Simplify right side
    2,107,271.52x = 3,721,635,082,041.93
  5. Step 5: Solve for x
    x = 3,721,635,082,041.93/2,107,271.52
  6. Step 6: Final answer
    x = 1,766,091.86

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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.