Finding the Fourth Proportional to 4,876,731.48, 7,315,615.62 and 1,511,200.92
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Solution
The fourth proportional to 4,876,731.48, 7,315,615.62 and 1,511,200.92 is: 2,266,962.02
Step by Step Solution
- Step 1: Write the proportion equation
4,876,731.48 : 7,315,615.62 = 1,511,200.92 : x - Step 2: Convert to fraction form
4,876,731.48/7,315,615.62 = 1,511,200.92/x - Step 3: Cross multiply
4,876,731.48x = 7,315,615.62 × 1,511,200.92 - Step 4: Simplify right side
4,876,731.48x = 11,055,365,055,310.37 - Step 5: Solve for x
x = 11,055,365,055,310.37/4,876,731.48 - Step 6: Final answer
x = 2,266,962.02
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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.