Finding the Fourth Proportional to 2,186,321.76, 3,278,842.56 and 838,383.84
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Solution
The fourth proportional to 2,186,321.76, 3,278,842.56 and 838,383.84 is: 1,257,330.31
Step by Step Solution
- Step 1: Write the proportion equation
2,186,321.76 : 3,278,842.56 = 838,383.84 : x - Step 2: Convert to fraction form
2,186,321.76/3,278,842.56 = 838,383.84/x - Step 3: Cross multiply
2,186,321.76x = 3,278,842.56 × 838,383.84 - Step 4: Simplify right side
2,186,321.76x = 2,748,928,616,208.23 - Step 5: Solve for x
x = 2,748,928,616,208.23/2,186,321.76 - Step 6: Final answer
x = 1,257,330.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.