Home / 2,245,976.30-3,100,005.51-1,279,681.94

Finding the Fourth Proportional to 2,245,976.30, 3,100,005.51 and 1,279,681.94

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Solution

The fourth proportional to 2,245,976.30, 3,100,005.51 and 1,279,681.94 is: 1,766,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245,976.30 : 3,100,005.51 = 1,279,681.94 : x
  2. Step 2: Convert to fraction form
    2,245,976.30/3,100,005.51 = 1,279,681.94/x
  3. Step 3: Cross multiply
    2,245,976.30x = 3,100,005.51 × 1,279,681.94
  4. Step 4: Simplify right side
    2,245,976.30x = 3,967,021,065,047.49
  5. Step 5: Solve for x
    x = 3,967,021,065,047.49/2,245,976.30
  6. Step 6: Final answer
    x = 1,766,279.13

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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.