Finding the Fourth Proportional to 5,393,851.65, 8,090,721.99 and 3,117,927.96
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Solution
The fourth proportional to 5,393,851.65, 8,090,721.99 and 3,117,927.96 is: 4,676,859.87
Step by Step Solution
- Step 1: Write the proportion equation
5,393,851.65 : 8,090,721.99 = 3,117,927.96 : x - Step 2: Convert to fraction form
5,393,851.65/8,090,721.99 = 3,117,927.96/x - Step 3: Cross multiply
5,393,851.65x = 8,090,721.99 × 3,117,927.96 - Step 4: Simplify right side
5,393,851.65x = 25,226,288,309,207.84 - Step 5: Solve for x
x = 25,226,288,309,207.84/5,393,851.65 - Step 6: Final answer
x = 4,676,859.87
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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.