Finding the Fourth Proportional to 3,505,515.63, 5,258,955.17 and 1,346,382.79
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Solution
The fourth proportional to 3,505,515.63, 5,258,955.17 and 1,346,382.79 is: 2,019,836.02
Step by Step Solution
- Step 1: Write the proportion equation
3,505,515.63 : 5,258,955.17 = 1,346,382.79 : x - Step 2: Convert to fraction form
3,505,515.63/5,258,955.17 = 1,346,382.79/x - Step 3: Cross multiply
3,505,515.63x = 5,258,955.17 × 1,346,382.79 - Step 4: Simplify right side
3,505,515.63x = 7,080,566,738,716.52 - Step 5: Solve for x
x = 7,080,566,738,716.52/3,505,515.63 - Step 6: Final answer
x = 2,019,836.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.