Finding the Fourth Proportional to 3,668,887.42, 5,504,007.68 and 1,207,041.82
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Solution
The fourth proportional to 3,668,887.42, 5,504,007.68 and 1,207,041.82 is: 1,810,785.31
Step by Step Solution
- Step 1: Write the proportion equation
3,668,887.42 : 5,504,007.68 = 1,207,041.82 : x - Step 2: Convert to fraction form
3,668,887.42/5,504,007.68 = 1,207,041.82/x - Step 3: Cross multiply
3,668,887.42x = 5,504,007.68 × 1,207,041.82 - Step 4: Simplify right side
3,668,887.42x = 6,643,567,447,361.18 - Step 5: Solve for x
x = 6,643,567,447,361.18/3,668,887.42 - Step 6: Final answer
x = 1,810,785.31
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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.