Finding the Fourth Proportional to 5,529,828, 7,631,162.64 and 2,986,212
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Solution
The fourth proportional to 5,529,828, 7,631,162.64 and 2,986,212 is: 4,120,972.56
Step by Step Solution
- Step 1: Write the proportion equation
5,529,828 : 7,631,162.64 = 2,986,212 : x - Step 2: Convert to fraction form
5,529,828/7,631,162.64 = 2,986,212/x - Step 3: Cross multiply
5,529,828x = 7,631,162.64 × 2,986,212 - Step 4: Simplify right side
5,529,828x = 22,788,269,449,519.68 - Step 5: Solve for x
x = 22,788,269,449,519.68/5,529,828 - Step 6: Final answer
x = 4,120,972.56
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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.