Finding the Fourth Proportional to 5,738,382.82, 7,918,712.85 and 3,289,238.07
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Solution
The fourth proportional to 5,738,382.82, 7,918,712.85 and 3,289,238.07 is: 4,539,002.12
Step by Step Solution
- Step 1: Write the proportion equation
5,738,382.82 : 7,918,712.85 = 3,289,238.07 : x - Step 2: Convert to fraction form
5,738,382.82/7,918,712.85 = 3,289,238.07/x - Step 3: Cross multiply
5,738,382.82x = 7,918,712.85 × 3,289,238.07 - Step 4: Simplify right side
5,738,382.82x = 26,046,531,771,618.20 - Step 5: Solve for x
x = 26,046,531,771,618.20/5,738,382.82 - Step 6: Final answer
x = 4,539,002.12
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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.