Finding the Fourth Proportional to 3,256,231.42, 4,493,749.36 and 1,805,840.42
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Solution
The fourth proportional to 3,256,231.42, 4,493,749.36 and 1,805,840.42 is: 2,492,142.97
Step by Step Solution
- Step 1: Write the proportion equation
3,256,231.42 : 4,493,749.36 = 1,805,840.42 : x - Step 2: Convert to fraction form
3,256,231.42/4,493,749.36 = 1,805,840.42/x - Step 3: Cross multiply
3,256,231.42x = 4,493,749.36 × 1,805,840.42 - Step 4: Simplify right side
3,256,231.42x = 8,114,994,231,637.13 - Step 5: Solve for x
x = 8,114,994,231,637.13/3,256,231.42 - Step 6: Final answer
x = 2,492,142.97
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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.