Finding the Fourth Proportional to 1,947,517.14, 2,688,323.70 and 1,743,207.60
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Solution
The fourth proportional to 1,947,517.14, 2,688,323.70 and 1,743,207.60 is: 2,406,297.85
Step by Step Solution
- Step 1: Write the proportion equation
1,947,517.14 : 2,688,323.70 = 1,743,207.60 : x - Step 2: Convert to fraction form
1,947,517.14/2,688,323.70 = 1,743,207.60/x - Step 3: Cross multiply
1,947,517.14x = 2,688,323.70 × 1,743,207.60 - Step 4: Simplify right side
1,947,517.14x = 4,686,306,305,100.12 - Step 5: Solve for x
x = 4,686,306,305,100.12/1,947,517.14 - Step 6: Final answer
x = 2,406,297.85
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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.