Finding the Fourth Proportional to 3,468,578.58, 4,786,516.33 and 1,919,843.26
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Solution
The fourth proportional to 3,468,578.58, 4,786,516.33 and 1,919,843.26 is: 2,649,316.10
Step by Step Solution
- Step 1: Write the proportion equation
3,468,578.58 : 4,786,516.33 = 1,919,843.26 : x - Step 2: Convert to fraction form
3,468,578.58/4,786,516.33 = 1,919,843.26/x - Step 3: Cross multiply
3,468,578.58x = 4,786,516.33 × 1,919,843.26 - Step 4: Simplify right side
3,468,578.58x = 9,189,361,087,484.21 - Step 5: Solve for x
x = 9,189,361,087,484.21/3,468,578.58 - Step 6: Final answer
x = 2,649,316.10
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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.