Finding the Fourth Proportional to 4,720,080.51, 6,511,352.94 and 2,979,906.48
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Solution
The fourth proportional to 4,720,080.51, 6,511,352.94 and 2,979,906.48 is: 4,110,782.17
Step by Step Solution
- Step 1: Write the proportion equation
4,720,080.51 : 6,511,352.94 = 2,979,906.48 : x - Step 2: Convert to fraction form
4,720,080.51/6,511,352.94 = 2,979,906.48/x - Step 3: Cross multiply
4,720,080.51x = 6,511,352.94 × 2,979,906.48 - Step 4: Simplify right side
4,720,080.51x = 19,403,222,819,473.05 - Step 5: Solve for x
x = 19,403,222,819,473.05/4,720,080.51 - Step 6: Final answer
x = 4,110,782.17
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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.