Finding the Fourth Proportional to 6,639,517.22, 9,960,618.33 and 2,801,349.09
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Solution
The fourth proportional to 6,639,517.22, 9,960,618.33 and 2,801,349.09 is: 4,202,590.07
Step by Step Solution
- Step 1: Write the proportion equation
6,639,517.22 : 9,960,618.33 = 2,801,349.09 : x - Step 2: Convert to fraction form
6,639,517.22/9,960,618.33 = 2,801,349.09/x - Step 3: Cross multiply
6,639,517.22x = 9,960,618.33 × 2,801,349.09 - Step 4: Simplify right side
6,639,517.22x = 27,903,169,094,582.82 - Step 5: Solve for x
x = 27,903,169,094,582.82/6,639,517.22 - Step 6: Final answer
x = 4,202,590.07
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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.