Finding the Fourth Proportional to 4,004,006.99, 5,525,501.97 and 2,168,423.26
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Solution
The fourth proportional to 4,004,006.99, 5,525,501.97 and 2,168,423.26 is: 2,992,409.11
Step by Step Solution
- Step 1: Write the proportion equation
4,004,006.99 : 5,525,501.97 = 2,168,423.26 : x - Step 2: Convert to fraction form
4,004,006.99/5,525,501.97 = 2,168,423.26/x - Step 3: Cross multiply
4,004,006.99x = 5,525,501.97 × 2,168,423.26 - Step 4: Simplify right side
4,004,006.99x = 11,981,626,989,241.65 - Step 5: Solve for x
x = 11,981,626,989,241.65/4,004,006.99 - Step 6: Final answer
x = 2,992,409.11
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1.5x scale
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.