Finding the Fourth Proportional to 6,091,690.21, 8,405,624.19 and 3,770,917.09
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Solution
The fourth proportional to 6,091,690.21, 8,405,624.19 and 3,770,917.09 is: 5,203,303.32
Step by Step Solution
- Step 1: Write the proportion equation
6,091,690.21 : 8,405,624.19 = 3,770,917.09 : x - Step 2: Convert to fraction form
6,091,690.21/8,405,624.19 = 3,770,917.09/x - Step 3: Cross multiply
6,091,690.21x = 8,405,624.19 × 3,770,917.09 - Step 4: Simplify right side
6,091,690.21x = 31,696,911,910,188.40 - Step 5: Solve for x
x = 31,696,911,910,188.40/6,091,690.21 - Step 6: Final answer
x = 5,203,303.32
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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.