Finding the Fourth Proportional to 8,270,905.90, 12,408,040.35 and 2,879,976.70
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Solution
The fourth proportional to 8,270,905.90, 12,408,040.35 and 2,879,976.70 is: 4,320,550.56
Step by Step Solution
- Step 1: Write the proportion equation
8,270,905.90 : 12,408,040.35 = 2,879,976.70 : x - Step 2: Convert to fraction form
8,270,905.90/12,408,040.35 = 2,879,976.70/x - Step 3: Cross multiply
8,270,905.90x = 12,408,040.35 × 2,879,976.70 - Step 4: Simplify right side
8,270,905.90x = 35,734,867,100,659.84 - Step 5: Solve for x
x = 35,734,867,100,659.84/8,270,905.90 - Step 6: Final answer
x = 4,320,550.56
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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.