Finding the Fourth Proportional to 4,626,389.13, 6,384,416.13 and 2,589,198.63
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Solution
The fourth proportional to 4,626,389.13, 6,384,416.13 and 2,589,198.63 is: 3,573,093.62
Step by Step Solution
- Step 1: Write the proportion equation
4,626,389.13 : 6,384,416.13 = 2,589,198.63 : x - Step 2: Convert to fraction form
4,626,389.13/6,384,416.13 = 2,589,198.63/x - Step 3: Cross multiply
4,626,389.13x = 6,384,416.13 × 2,589,198.63 - Step 4: Simplify right side
4,626,389.13x = 16,530,521,497,145.90 - Step 5: Solve for x
x = 16,530,521,497,145.90/4,626,389.13 - Step 6: Final answer
x = 3,573,093.62
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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.