Finding the Fourth Proportional to 3,173,680.26, 4,379,662.98 and 1,723,362.84
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Solution
The fourth proportional to 3,173,680.26, 4,379,662.98 and 1,723,362.84 is: 2,378,232.15
Step by Step Solution
- Step 1: Write the proportion equation
3,173,680.26 : 4,379,662.98 = 1,723,362.84 : x - Step 2: Convert to fraction form
3,173,680.26/4,379,662.98 = 1,723,362.84/x - Step 3: Cross multiply
3,173,680.26x = 4,379,662.98 × 1,723,362.84 - Step 4: Simplify right side
3,173,680.26x = 7,547,748,431,455.66 - Step 5: Solve for x
x = 7,547,748,431,455.66/3,173,680.26 - Step 6: Final answer
x = 2,378,232.15
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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.