Finding the Fourth Proportional to 3,666,373.98, 5,060,204.19 and 2,138,481.06
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Solution
The fourth proportional to 3,666,373.98, 5,060,204.19 and 2,138,481.06 is: 2,951,458.55
Step by Step Solution
- Step 1: Write the proportion equation
3,666,373.98 : 5,060,204.19 = 2,138,481.06 : x - Step 2: Convert to fraction form
3,666,373.98/5,060,204.19 = 2,138,481.06/x - Step 3: Cross multiply
3,666,373.98x = 5,060,204.19 × 2,138,481.06 - Step 4: Simplify right side
3,666,373.98x = 10,821,150,820,047.64 - Step 5: Solve for x
x = 10,821,150,820,047.64/3,666,373.98 - Step 6: Final answer
x = 2,951,458.55
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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.