Finding the Fourth Proportional to 4,268,975.48, 5,891,326.70 and 2,335,191.88
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Solution
The fourth proportional to 4,268,975.48, 5,891,326.70 and 2,335,191.88 is: 3,222,641.67
Step by Step Solution
- Step 1: Write the proportion equation
4,268,975.48 : 5,891,326.70 = 2,335,191.88 : x - Step 2: Convert to fraction form
4,268,975.48/5,891,326.70 = 2,335,191.88/x - Step 3: Cross multiply
4,268,975.48x = 5,891,326.70 × 2,335,191.88 - Step 4: Simplify right side
4,268,975.48x = 13,757,378,272,267.20 - Step 5: Solve for x
x = 13,757,378,272,267.20/4,268,975.48 - Step 6: Final answer
x = 3,222,641.67
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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.