Finding the Fourth Proportional to 5,736,242.94, 7,916,478.03 and 3,289,081.68
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Solution
The fourth proportional to 5,736,242.94, 7,916,478.03 and 3,289,081.68 is: 4,539,198.07
Step by Step Solution
- Step 1: Write the proportion equation
5,736,242.94 : 7,916,478.03 = 3,289,081.68 : x - Step 2: Convert to fraction form
5,736,242.94/7,916,478.03 = 3,289,081.68/x - Step 3: Cross multiply
5,736,242.94x = 7,916,478.03 × 3,289,081.68 - Step 4: Simplify right side
5,736,242.94x = 26,037,942,858,595.49 - Step 5: Solve for x
x = 26,037,942,858,595.49/5,736,242.94 - Step 6: Final answer
x = 4,539,198.07
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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.