Finding the Fourth Proportional to 1,813,886.97, 2,503,088.96 and 986,963.93
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Solution
The fourth proportional to 1,813,886.97, 2,503,088.96 and 986,963.93 is: 1,361,969.38
Step by Step Solution
- Step 1: Write the proportion equation
1,813,886.97 : 2,503,088.96 = 986,963.93 : x - Step 2: Convert to fraction form
1,813,886.97/2,503,088.96 = 986,963.93/x - Step 3: Cross multiply
1,813,886.97x = 2,503,088.96 × 986,963.93 - Step 4: Simplify right side
1,813,886.97x = 2,470,458,504,585.77 - Step 5: Solve for x
x = 2,470,458,504,585.77/1,813,886.97 - Step 6: Final answer
x = 1,361,969.38
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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.