Finding the Fourth Proportional to 1,813,919.32, 2,503,133.49 and 986,996.26
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Solution
The fourth proportional to 1,813,919.32, 2,503,133.49 and 986,996.26 is: 1,362,013.94
Step by Step Solution
- Step 1: Write the proportion equation
1,813,919.32 : 2,503,133.49 = 986,996.26 : x - Step 2: Convert to fraction form
1,813,919.32/2,503,133.49 = 986,996.26/x - Step 3: Cross multiply
1,813,919.32x = 2,503,133.49 × 986,996.26 - Step 4: Simplify right side
1,813,919.32x = 2,470,583,392,910.75 - Step 5: Solve for x
x = 2,470,583,392,910.75/1,813,919.32 - Step 6: Final answer
x = 1,362,013.94
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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.