Finding the Fourth Proportional to 5,393,850.65, 8,090,720.49 and 3,117,926.96
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Solution
The fourth proportional to 5,393,850.65, 8,090,720.49 and 3,117,926.96 is: 4,676,858.37
Step by Step Solution
- Step 1: Write the proportion equation
5,393,850.65 : 8,090,720.49 = 3,117,926.96 : x - Step 2: Convert to fraction form
5,393,850.65/8,090,720.49 = 3,117,926.96/x - Step 3: Cross multiply
5,393,850.65x = 8,090,720.49 × 3,117,926.96 - Step 4: Simplify right side
5,393,850.65x = 25,226,275,541,595.41 - Step 5: Solve for x
x = 25,226,275,541,595.41/5,393,850.65 - Step 6: Final answer
x = 4,676,858.37
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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.