Finding the Fourth Proportional to 5,030,161.67, 6,941,624.19 and 2,738,321.75
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Solution
The fourth proportional to 5,030,161.67, 6,941,624.19 and 2,738,321.75 is: 3,778,884.61
Step by Step Solution
- Step 1: Write the proportion equation
5,030,161.67 : 6,941,624.19 = 2,738,321.75 : x - Step 2: Convert to fraction form
5,030,161.67/6,941,624.19 = 2,738,321.75/x - Step 3: Cross multiply
5,030,161.67x = 6,941,624.19 × 2,738,321.75 - Step 4: Simplify right side
5,030,161.67x = 19,008,400,499,803.13 - Step 5: Solve for x
x = 19,008,400,499,803.13/5,030,161.67 - Step 6: Final answer
x = 3,778,884.61
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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.