Finding the Fourth Proportional to 7,169,674.23, 10,758,995.46 and 2,909,842.46
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Solution
The fourth proportional to 7,169,674.23, 10,758,995.46 and 2,909,842.46 is: 4,366,583.58
Step by Step Solution
- Step 1: Write the proportion equation
7,169,674.23 : 10,758,995.46 = 2,909,842.46 : x - Step 2: Convert to fraction form
7,169,674.23/10,758,995.46 = 2,909,842.46/x - Step 3: Cross multiply
7,169,674.23x = 10,758,995.46 × 2,909,842.46 - Step 4: Simplify right side
7,169,674.23x = 31,306,981,762,660.26 - Step 5: Solve for x
x = 31,306,981,762,660.26/7,169,674.23 - Step 6: Final answer
x = 4,366,583.58
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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.