Finding the Fourth Proportional to 5,562,986.96, 8,343,131.78 and 1,519,493.70
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Solution
The fourth proportional to 5,562,986.96, 8,343,131.78 and 1,519,493.70 is: 2,278,872.17
Step by Step Solution
- Step 1: Write the proportion equation
5,562,986.96 : 8,343,131.78 = 1,519,493.70 : x - Step 2: Convert to fraction form
5,562,986.96/8,343,131.78 = 1,519,493.70/x - Step 3: Cross multiply
5,562,986.96x = 8,343,131.78 × 1,519,493.70 - Step 4: Simplify right side
5,562,986.96x = 12,677,336,177,979.79 - Step 5: Solve for x
x = 12,677,336,177,979.79/5,562,986.96 - Step 6: Final answer
x = 2,278,872.17
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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.