Finding the Fourth Proportional to 5,245,885.94, 7,860,129.68 and 3,190,328.99
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Solution
The fourth proportional to 5,245,885.94, 7,860,129.68 and 3,190,328.99 is: 4,780,202.98
Step by Step Solution
- Step 1: Write the proportion equation
5,245,885.94 : 7,860,129.68 = 3,190,328.99 : x - Step 2: Convert to fraction form
5,245,885.94/7,860,129.68 = 3,190,328.99/x - Step 3: Cross multiply
5,245,885.94x = 7,860,129.68 × 3,190,328.99 - Step 4: Simplify right side
5,245,885.94x = 25,076,399,583,263.43 - Step 5: Solve for x
x = 25,076,399,583,263.43/5,245,885.94 - Step 6: Final answer
x = 4,780,202.98
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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.