Finding the Fourth Proportional to 5,660,716.68, 7,811,929.04 and 3,082,537.71
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Solution
The fourth proportional to 5,660,716.68, 7,811,929.04 and 3,082,537.71 is: 4,253,978.29
Step by Step Solution
- Step 1: Write the proportion equation
5,660,716.68 : 7,811,929.04 = 3,082,537.71 : x - Step 2: Convert to fraction form
5,660,716.68/7,811,929.04 = 3,082,537.71/x - Step 3: Cross multiply
5,660,716.68x = 7,811,929.04 × 3,082,537.71 - Step 4: Simplify right side
5,660,716.68x = 24,080,565,838,231.41 - Step 5: Solve for x
x = 24,080,565,838,231.41/5,660,716.68 - Step 6: Final answer
x = 4,253,978.29
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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.