Finding the Fourth Proportional to 1,640,251.96, 2,263,544.37 and 915,056.41
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Solution
The fourth proportional to 1,640,251.96, 2,263,544.37 and 915,056.41 is: 1,262,775.99
Step by Step Solution
- Step 1: Write the proportion equation
1,640,251.96 : 2,263,544.37 = 915,056.41 : x - Step 2: Convert to fraction form
1,640,251.96/2,263,544.37 = 915,056.41/x - Step 3: Cross multiply
1,640,251.96x = 2,263,544.37 × 915,056.41 - Step 4: Simplify right side
1,640,251.96x = 2,071,270,785,087.91 - Step 5: Solve for x
x = 2,071,270,785,087.91/1,640,251.96 - Step 6: Final answer
x = 1,262,775.99
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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.