Finding the Fourth Proportional to 3,677,415.40, 5,505,884.70 and 1,876,407.40
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Solution
The fourth proportional to 3,677,415.40, 5,505,884.70 and 1,876,407.40 is: 2,809,386.94
Step by Step Solution
- Step 1: Write the proportion equation
3,677,415.40 : 5,505,884.70 = 1,876,407.40 : x - Step 2: Convert to fraction form
3,677,415.40/5,505,884.70 = 1,876,407.40/x - Step 3: Cross multiply
3,677,415.40x = 5,505,884.70 × 1,876,407.40 - Step 4: Simplify right side
3,677,415.40x = 10,331,282,794,626.78 - Step 5: Solve for x
x = 10,331,282,794,626.78/3,677,415.40 - Step 6: Final answer
x = 2,809,386.94
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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.