Finding the Fourth Proportional to 3,530,316.33, 5,293,416.97 and 1,368,816.28
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Solution
The fourth proportional to 3,530,316.33, 5,293,416.97 and 1,368,816.28 is: 2,052,426.65
Step by Step Solution
- Step 1: Write the proportion equation
3,530,316.33 : 5,293,416.97 = 1,368,816.28 : x - Step 2: Convert to fraction form
3,530,316.33/5,293,416.97 = 1,368,816.28/x - Step 3: Cross multiply
3,530,316.33x = 5,293,416.97 × 1,368,816.28 - Step 4: Simplify right side
3,530,316.33x = 7,245,715,310,419.71 - Step 5: Solve for x
x = 7,245,715,310,419.71/3,530,316.33 - Step 6: Final answer
x = 2,052,426.65
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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.