Finding the Fourth Proportional to 5,907,152.49, 8,860,728.74 and 1,419,428.49
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Solution
The fourth proportional to 5,907,152.49, 8,860,728.74 and 1,419,428.49 is: 2,129,142.74
Step by Step Solution
- Step 1: Write the proportion equation
5,907,152.49 : 8,860,728.74 = 1,419,428.49 : x - Step 2: Convert to fraction form
5,907,152.49/8,860,728.74 = 1,419,428.49/x - Step 3: Cross multiply
5,907,152.49x = 8,860,728.74 × 1,419,428.49 - Step 4: Simplify right side
5,907,152.49x = 12,577,170,815,717.80 - Step 5: Solve for x
x = 12,577,170,815,717.80/5,907,152.49 - Step 6: Final answer
x = 2,129,142.74
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1.5x scale
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.