Finding the Fourth Proportional to 3,104,971.26, 4,284,908.72 and 1,728,330.09
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Solution
The fourth proportional to 3,104,971.26, 4,284,908.72 and 1,728,330.09 is: 2,385,122.45
Step by Step Solution
- Step 1: Write the proportion equation
3,104,971.26 : 4,284,908.72 = 1,728,330.09 : x - Step 2: Convert to fraction form
3,104,971.26/4,284,908.72 = 1,728,330.09/x - Step 3: Cross multiply
3,104,971.26x = 4,284,908.72 × 1,728,330.09 - Step 4: Simplify right side
3,104,971.26x = 7,405,736,673,679.39 - Step 5: Solve for x
x = 7,405,736,673,679.39/3,104,971.26 - Step 6: Final answer
x = 2,385,122.45
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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.