Finding the Fourth Proportional to 7,738,981.86, 11,607,176.79 and 2,346,343.14
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Solution
The fourth proportional to 7,738,981.86, 11,607,176.79 and 2,346,343.14 is: 3,519,121.78
Step by Step Solution
- Step 1: Write the proportion equation
7,738,981.86 : 11,607,176.79 = 2,346,343.14 : x - Step 2: Convert to fraction form
7,738,981.86/11,607,176.79 = 2,346,343.14/x - Step 3: Cross multiply
7,738,981.86x = 11,607,176.79 × 2,346,343.14 - Step 4: Simplify right side
7,738,981.86x = 27,234,419,635,983.72 - Step 5: Solve for x
x = 27,234,419,635,983.72/7,738,981.86 - Step 6: Final answer
x = 3,519,121.78
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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.