Finding the Fourth Proportional to 1,954,361.13, 2,697,129.08 and 1,095,198.18
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Solution
The fourth proportional to 1,954,361.13, 2,697,129.08 and 1,095,198.18 is: 1,511,435.53
Step by Step Solution
- Step 1: Write the proportion equation
1,954,361.13 : 2,697,129.08 = 1,095,198.18 : x - Step 2: Convert to fraction form
1,954,361.13/2,697,129.08 = 1,095,198.18/x - Step 3: Cross multiply
1,954,361.13x = 2,697,129.08 × 1,095,198.18 - Step 4: Simplify right side
1,954,361.13x = 2,953,890,859,641.07 - Step 5: Solve for x
x = 2,953,890,859,641.07/1,954,361.13 - Step 6: Final answer
x = 1,511,435.53
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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.