Home / 5,279,579.15-7,285,818.44-2,865,131.15

Finding the Fourth Proportional to 5,279,579.15, 7,285,818.44 and 2,865,131.15

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Solution

The fourth proportional to 5,279,579.15, 7,285,818.44 and 2,865,131.15 is: 3,953,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,579.15 : 7,285,818.44 = 2,865,131.15 : x
  2. Step 2: Convert to fraction form
    5,279,579.15/7,285,818.44 = 2,865,131.15/x
  3. Step 3: Cross multiply
    5,279,579.15x = 7,285,818.44 × 2,865,131.15
  4. Step 4: Simplify right side
    5,279,579.15x = 20,874,825,314,933.66
  5. Step 5: Solve for x
    x = 20,874,825,314,933.66/5,279,579.15
  6. Step 6: Final answer
    x = 3,953,880.55

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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.