Finding the Fourth Proportional to 7,398,458.40, 11,097,687.60 and 2,350,279.20
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Solution
The fourth proportional to 7,398,458.40, 11,097,687.60 and 2,350,279.20 is: 3,525,418.80
Step by Step Solution
- Step 1: Write the proportion equation
7,398,458.40 : 11,097,687.60 = 2,350,279.20 : x - Step 2: Convert to fraction form
7,398,458.40/11,097,687.60 = 2,350,279.20/x - Step 3: Cross multiply
7,398,458.40x = 11,097,687.60 × 2,350,279.20 - Step 4: Simplify right side
7,398,458.40x = 26,082,664,334,377.92 - Step 5: Solve for x
x = 26,082,664,334,377.92/7,398,458.40 - Step 6: Final answer
x = 3,525,418.80
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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.