Finding the Fourth Proportional to 4,734,473.75, 7,102,763.09 and 2,208,751.19
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Solution
The fourth proportional to 4,734,473.75, 7,102,763.09 and 2,208,751.19 is: 3,313,617.79
Step by Step Solution
- Step 1: Write the proportion equation
4,734,473.75 : 7,102,763.09 = 2,208,751.19 : x - Step 2: Convert to fraction form
4,734,473.75/7,102,763.09 = 2,208,751.19/x - Step 3: Cross multiply
4,734,473.75x = 7,102,763.09 × 2,208,751.19 - Step 4: Simplify right side
4,734,473.75x = 15,688,236,442,321.54 - Step 5: Solve for x
x = 15,688,236,442,321.54/4,734,473.75 - Step 6: Final answer
x = 3,313,617.79
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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.