Finding the Fourth Proportional to 3,901,375.36, 5,383,905.87 and 2,182,524.58
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Solution
The fourth proportional to 3,901,375.36, 5,383,905.87 and 2,182,524.58 is: 3,011,888.32
Step by Step Solution
- Step 1: Write the proportion equation
3,901,375.36 : 5,383,905.87 = 2,182,524.58 : x - Step 2: Convert to fraction form
3,901,375.36/5,383,905.87 = 2,182,524.58/x - Step 3: Cross multiply
3,901,375.36x = 5,383,905.87 × 2,182,524.58 - Step 4: Simplify right side
3,901,375.36x = 11,750,506,897,681.29 - Step 5: Solve for x
x = 11,750,506,897,681.29/3,901,375.36 - Step 6: Final answer
x = 3,011,888.32
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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.