Finding the Fourth Proportional to 3,256,231.17, 4,493,749.01 and 1,805,840.17
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Solution
The fourth proportional to 3,256,231.17, 4,493,749.01 and 1,805,840.17 is: 2,492,142.62
Step by Step Solution
- Step 1: Write the proportion equation
3,256,231.17 : 4,493,749.01 = 1,805,840.17 : x - Step 2: Convert to fraction form
3,256,231.17/4,493,749.01 = 1,805,840.17/x - Step 3: Cross multiply
3,256,231.17x = 4,493,749.01 × 1,805,840.17 - Step 4: Simplify right side
3,256,231.17x = 8,114,992,480,670.33 - Step 5: Solve for x
x = 8,114,992,480,670.33/3,256,231.17 - Step 6: Final answer
x = 2,492,142.62
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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.