Finding the Fourth Proportional to 5,118,795.78, 7,067,133.05 and 3,259,260.75
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Solution
The fourth proportional to 5,118,795.78, 7,067,133.05 and 3,259,260.75 is: 4,499,814.08
Step by Step Solution
- Step 1: Write the proportion equation
5,118,795.78 : 7,067,133.05 = 3,259,260.75 : x - Step 2: Convert to fraction form
5,118,795.78/7,067,133.05 = 3,259,260.75/x - Step 3: Cross multiply
5,118,795.78x = 7,067,133.05 × 3,259,260.75 - Step 4: Simplify right side
5,118,795.78x = 23,033,629,348,596.48 - Step 5: Solve for x
x = 23,033,629,348,596.48/5,118,795.78 - Step 6: Final answer
x = 4,499,814.08
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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.