Finding the Fourth Proportional to 4,993,655.70, 6,891,244.86 and 2,701,816.38
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Solution
The fourth proportional to 4,993,655.70, 6,891,244.86 and 2,701,816.38 is: 3,728,506.61
Step by Step Solution
- Step 1: Write the proportion equation
4,993,655.70 : 6,891,244.86 = 2,701,816.38 : x - Step 2: Convert to fraction form
4,993,655.70/6,891,244.86 = 2,701,816.38/x - Step 3: Cross multiply
4,993,655.70x = 6,891,244.86 × 2,701,816.38 - Step 4: Simplify right side
4,993,655.70x = 18,618,878,259,453.82 - Step 5: Solve for x
x = 18,618,878,259,453.82/4,993,655.70 - Step 6: Final answer
x = 3,728,506.61
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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.