Finding the Fourth Proportional to 5,921,379.84, 8,171,048.11 and 3,343,315.08
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Solution
The fourth proportional to 5,921,379.84, 8,171,048.11 and 3,343,315.08 is: 4,613,517.31
Step by Step Solution
- Step 1: Write the proportion equation
5,921,379.84 : 8,171,048.11 = 3,343,315.08 : x - Step 2: Convert to fraction form
5,921,379.84/8,171,048.11 = 3,343,315.08/x - Step 3: Cross multiply
5,921,379.84x = 8,171,048.11 × 3,343,315.08 - Step 4: Simplify right side
5,921,379.84x = 27,318,388,365,568.50 - Step 5: Solve for x
x = 27,318,388,365,568.50/5,921,379.84 - Step 6: Final answer
x = 4,613,517.31
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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.