Finding the Fourth Proportional to 7,949,436.12, 11,924,350.20 and 2,900,745
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Solution
The fourth proportional to 7,949,436.12, 11,924,350.20 and 2,900,745 is: 4,351,189.03
Step by Step Solution
- Step 1: Write the proportion equation
7,949,436.12 : 11,924,350.20 = 2,900,745 : x - Step 2: Convert to fraction form
7,949,436.12/11,924,350.20 = 2,900,745/x - Step 3: Cross multiply
7,949,436.12x = 11,924,350.20 × 2,900,745 - Step 4: Simplify right side
7,949,436.12x = 34,589,499,220,899.00 - Step 5: Solve for x
x = 34,589,499,220,899.00/7,949,436.12 - Step 6: Final answer
x = 4,351,189.03
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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.