Finding the Fourth Proportional to 1,617,879.99, 2,233,482.71 and 1,006,229.92
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Solution
The fourth proportional to 1,617,879.99, 2,233,482.71 and 1,006,229.92 is: 1,389,100.02
Step by Step Solution
- Step 1: Write the proportion equation
1,617,879.99 : 2,233,482.71 = 1,006,229.92 : x - Step 2: Convert to fraction form
1,617,879.99/2,233,482.71 = 1,006,229.92/x - Step 3: Cross multiply
1,617,879.99x = 2,233,482.71 × 1,006,229.92 - Step 4: Simplify right side
1,617,879.99x = 2,247,397,128,604.68 - Step 5: Solve for x
x = 2,247,397,128,604.68/1,617,879.99 - Step 6: Final answer
x = 1,389,100.02
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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.