Finding the Fourth Proportional to 3,613,112.24, 5,419,670.52 and 917,639.60
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Solution
The fourth proportional to 3,613,112.24, 5,419,670.52 and 917,639.60 is: 1,376,459.95
Step by Step Solution
- Step 1: Write the proportion equation
3,613,112.24 : 5,419,670.52 = 917,639.60 : x - Step 2: Convert to fraction form
3,613,112.24/5,419,670.52 = 917,639.60/x - Step 3: Cross multiply
3,613,112.24x = 5,419,670.52 × 917,639.60 - Step 4: Simplify right side
3,613,112.24x = 4,973,304,288,104.59 - Step 5: Solve for x
x = 4,973,304,288,104.59/3,613,112.24 - Step 6: Final answer
x = 1,376,459.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.