Finding the Fourth Proportional to 3,511,615.92, 5,267,845.55 and 1,236,669.81
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Solution
The fourth proportional to 3,511,615.92, 5,267,845.55 and 1,236,669.81 is: 1,855,153.21
Step by Step Solution
- Step 1: Write the proportion equation
3,511,615.92 : 5,267,845.55 = 1,236,669.81 : x - Step 2: Convert to fraction form
3,511,615.92/5,267,845.55 = 1,236,669.81/x - Step 3: Cross multiply
3,511,615.92x = 5,267,845.55 × 1,236,669.81 - Step 4: Simplify right side
3,511,615.92x = 6,514,585,558,519.52 - Step 5: Solve for x
x = 6,514,585,558,519.52/3,511,615.92 - Step 6: Final answer
x = 1,855,153.21
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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.