Finding the Fourth Proportional to 5,828,659.21, 8,743,721.24 and 3,129,274.09
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Solution
The fourth proportional to 5,828,659.21, 8,743,721.24 and 3,129,274.09 is: 4,694,304.36
Step by Step Solution
- Step 1: Write the proportion equation
5,828,659.21 : 8,743,721.24 = 3,129,274.09 : x - Step 2: Convert to fraction form
5,828,659.21/8,743,721.24 = 3,129,274.09/x - Step 3: Cross multiply
5,828,659.21x = 8,743,721.24 × 3,129,274.09 - Step 4: Simplify right side
5,828,659.21x = 27,361,500,326,514.67 - Step 5: Solve for x
x = 27,361,500,326,514.67/5,828,659.21 - Step 6: Final answer
x = 4,694,304.36
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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.