Finding the Fourth Proportional to 4,748,717.24, 7,088,690.90 and 4,174,121.26
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Solution
The fourth proportional to 4,748,717.24, 7,088,690.90 and 4,174,121.26 is: 6,230,957.52
Step by Step Solution
- Step 1: Write the proportion equation
4,748,717.24 : 7,088,690.90 = 4,174,121.26 : x - Step 2: Convert to fraction form
4,748,717.24/7,088,690.90 = 4,174,121.26/x - Step 3: Cross multiply
4,748,717.24x = 7,088,690.90 × 4,174,121.26 - Step 4: Simplify right side
4,748,717.24x = 29,589,055,410,554.70 - Step 5: Solve for x
x = 29,589,055,410,554.70/4,748,717.24 - Step 6: Final answer
x = 6,230,957.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.