Finding the Fourth Proportional to 4,860,558.20, 7,290,837.30 and 1,494,765.20
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Solution
The fourth proportional to 4,860,558.20, 7,290,837.30 and 1,494,765.20 is: 2,242,147.80
Step by Step Solution
- Step 1: Write the proportion equation
4,860,558.20 : 7,290,837.30 = 1,494,765.20 : x - Step 2: Convert to fraction form
4,860,558.20/7,290,837.30 = 1,494,765.20/x - Step 3: Cross multiply
4,860,558.20x = 7,290,837.30 × 1,494,765.20 - Step 4: Simplify right side
4,860,558.20x = 10,898,089,874,901.96 - Step 5: Solve for x
x = 10,898,089,874,901.96/4,860,558.20 - Step 6: Final answer
x = 2,242,147.80
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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.