Finding the Fourth Proportional to 5,788,279.14, 7,987,843.62 and 3,210,198.18
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Solution
The fourth proportional to 5,788,279.14, 7,987,843.62 and 3,210,198.18 is: 4,430,083.70
Step by Step Solution
- Step 1: Write the proportion equation
5,788,279.14 : 7,987,843.62 = 3,210,198.18 : x - Step 2: Convert to fraction form
5,788,279.14/7,987,843.62 = 3,210,198.18/x - Step 3: Cross multiply
5,788,279.14x = 7,987,843.62 × 3,210,198.18 - Step 4: Simplify right side
5,788,279.14x = 25,642,561,051,048.61 - Step 5: Solve for x
x = 25,642,561,051,048.61/5,788,279.14 - Step 6: Final answer
x = 4,430,083.70
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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.