Finding the Fourth Proportional to 5,015,505.69, 6,923,516.49 and 3,386,119.95
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Solution
The fourth proportional to 5,015,505.69, 6,923,516.49 and 3,386,119.95 is: 4,674,275.89
Step by Step Solution
- Step 1: Write the proportion equation
5,015,505.69 : 6,923,516.49 = 3,386,119.95 : x - Step 2: Convert to fraction form
5,015,505.69/6,923,516.49 = 3,386,119.95/x - Step 3: Cross multiply
5,015,505.69x = 6,923,516.49 × 3,386,119.95 - Step 4: Simplify right side
5,015,505.69x = 23,443,857,310,942.98 - Step 5: Solve for x
x = 23,443,857,310,942.98/5,015,505.69 - Step 6: Final answer
x = 4,674,275.89
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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.