Finding the Fourth Proportional to 7,244,922.40, 10,860,471.60 and 2,694,752.80
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Solution
The fourth proportional to 7,244,922.40, 10,860,471.60 and 2,694,752.80 is: 4,039,558.28
Step by Step Solution
- Step 1: Write the proportion equation
7,244,922.40 : 10,860,471.60 = 2,694,752.80 : x - Step 2: Convert to fraction form
7,244,922.40/10,860,471.60 = 2,694,752.80/x - Step 3: Cross multiply
7,244,922.40x = 10,860,471.60 × 2,694,752.80 - Step 4: Simplify right side
7,244,922.40x = 29,266,286,253,420.48 - Step 5: Solve for x
x = 29,266,286,253,420.48/7,244,922.40 - Step 6: Final answer
x = 4,039,558.28
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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.