Finding the Fourth Proportional to 7,293,845.60, 10,941,235.20 and 2,806,121.60
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Solution
The fourth proportional to 7,293,845.60, 10,941,235.20 and 2,806,121.60 is: 4,209,361.99
Step by Step Solution
- Step 1: Write the proportion equation
7,293,845.60 : 10,941,235.20 = 2,806,121.60 : x - Step 2: Convert to fraction form
7,293,845.60/10,941,235.20 = 2,806,121.60/x - Step 3: Cross multiply
7,293,845.60x = 10,941,235.20 × 2,806,121.60 - Step 4: Simplify right side
7,293,845.60x = 30,702,436,425,400.32 - Step 5: Solve for x
x = 30,702,436,425,400.32/7,293,845.60 - Step 6: Final answer
x = 4,209,361.99
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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.