Finding the Fourth Proportional to 3,952,716.66, 5,929,425.09 and 1,112,853.42
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Solution
The fourth proportional to 3,952,716.66, 5,929,425.09 and 1,112,853.42 is: 1,669,378.70
Step by Step Solution
- Step 1: Write the proportion equation
3,952,716.66 : 5,929,425.09 = 1,112,853.42 : x - Step 2: Convert to fraction form
3,952,716.66/5,929,425.09 = 1,112,853.42/x - Step 3: Cross multiply
3,952,716.66x = 5,929,425.09 × 1,112,853.42 - Step 4: Simplify right side
3,952,716.66x = 6,598,580,990,040.31 - Step 5: Solve for x
x = 6,598,580,990,040.31/3,952,716.66 - Step 6: Final answer
x = 1,669,378.70
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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.