Finding the Fourth Proportional to 1,917,728.11, 2,874,569.97 and 637,993.77
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Solution
The fourth proportional to 1,917,728.11, 2,874,569.97 and 637,993.77 is: 956,317.90
Step by Step Solution
- Step 1: Write the proportion equation
1,917,728.11 : 2,874,569.97 = 637,993.77 : x - Step 2: Convert to fraction form
1,917,728.11/2,874,569.97 = 637,993.77/x - Step 3: Cross multiply
1,917,728.11x = 2,874,569.97 × 637,993.77 - Step 4: Simplify right side
1,917,728.11x = 1,833,957,720,313.21 - Step 5: Solve for x
x = 1,833,957,720,313.21/1,917,728.11 - Step 6: Final answer
x = 956,317.90
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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.