Finding the Fourth Proportional to 5,072,431.05, 6,999,207.30 and 3,084,552.54
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Solution
The fourth proportional to 5,072,431.05, 6,999,207.30 and 3,084,552.54 is: 4,256,227.92
Step by Step Solution
- Step 1: Write the proportion equation
5,072,431.05 : 6,999,207.30 = 3,084,552.54 : x - Step 2: Convert to fraction form
5,072,431.05/6,999,207.30 = 3,084,552.54/x - Step 3: Cross multiply
5,072,431.05x = 6,999,207.30 × 3,084,552.54 - Step 4: Simplify right side
5,072,431.05x = 21,589,422,655,201.54 - Step 5: Solve for x
x = 21,589,422,655,201.54/5,072,431.05 - Step 6: Final answer
x = 4,256,227.92
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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.