Finding the Fourth Proportional to 6,680,981.80, 10,021,424.70 and 1,632,245.80
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Solution
The fourth proportional to 6,680,981.80, 10,021,424.70 and 1,632,245.80 is: 2,448,356.97
Step by Step Solution
- Step 1: Write the proportion equation
6,680,981.80 : 10,021,424.70 = 1,632,245.80 : x - Step 2: Convert to fraction form
6,680,981.80/10,021,424.70 = 1,632,245.80/x - Step 3: Cross multiply
6,680,981.80x = 10,021,424.70 × 1,632,245.80 - Step 4: Simplify right side
6,680,981.80x = 16,357,428,376,591.26 - Step 5: Solve for x
x = 16,357,428,376,591.26/6,680,981.80 - Step 6: Final answer
x = 2,448,356.97
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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.