Finding the Fourth Proportional to 3,771,194.49, 5,204,365.74 and 2,139,670.62
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Solution
The fourth proportional to 3,771,194.49, 5,204,365.74 and 2,139,670.62 is: 2,952,812.03
Step by Step Solution
- Step 1: Write the proportion equation
3,771,194.49 : 5,204,365.74 = 2,139,670.62 : x - Step 2: Convert to fraction form
3,771,194.49/5,204,365.74 = 2,139,670.62/x - Step 3: Cross multiply
3,771,194.49x = 5,204,365.74 × 2,139,670.62 - Step 4: Simplify right side
3,771,194.49x = 11,135,628,469,612.56 - Step 5: Solve for x
x = 11,135,628,469,612.56/3,771,194.49 - Step 6: Final answer
x = 2,952,812.03
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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.