Finding the Fourth Proportional to 2,694,697.32, 3,717,799.08 and 1,920,450.06
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Solution
The fourth proportional to 2,694,697.32, 3,717,799.08 and 1,920,450.06 is: 2,649,591.63
Step by Step Solution
- Step 1: Write the proportion equation
2,694,697.32 : 3,717,799.08 = 1,920,450.06 : x - Step 2: Convert to fraction form
2,694,697.32/3,717,799.08 = 1,920,450.06/x - Step 3: Cross multiply
2,694,697.32x = 3,717,799.08 × 1,920,450.06 - Step 4: Simplify right side
2,694,697.32x = 7,139,847,466,253.95 - Step 5: Solve for x
x = 7,139,847,466,253.95/2,694,697.32 - Step 6: Final answer
x = 2,649,591.63
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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.