Finding the Fourth Proportional to 5,328,946.26, 7,354,021.46 and 3,263,208.12
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Solution
The fourth proportional to 5,328,946.26, 7,354,021.46 and 3,263,208.12 is: 4,503,273.51
Step by Step Solution
- Step 1: Write the proportion equation
5,328,946.26 : 7,354,021.46 = 3,263,208.12 : x - Step 2: Convert to fraction form
5,328,946.26/7,354,021.46 = 3,263,208.12/x - Step 3: Cross multiply
5,328,946.26x = 7,354,021.46 × 3,263,208.12 - Step 4: Simplify right side
5,328,946.26x = 23,997,702,554,143.54 - Step 5: Solve for x
x = 23,997,702,554,143.54/5,328,946.26 - Step 6: Final answer
x = 4,503,273.51
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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.