Finding the Fourth Proportional to 4,414,809.60, 6,626,442.60 and 2,286,421.20
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Solution
The fourth proportional to 4,414,809.60, 6,626,442.60 and 2,286,421.20 is: 3,431,821.58
Step by Step Solution
- Step 1: Write the proportion equation
4,414,809.60 : 6,626,442.60 = 2,286,421.20 : x - Step 2: Convert to fraction form
4,414,809.60/6,626,442.60 = 2,286,421.20/x - Step 3: Cross multiply
4,414,809.60x = 6,626,442.60 × 2,286,421.20 - Step 4: Simplify right side
4,414,809.60x = 15,150,838,841,223.12 - Step 5: Solve for x
x = 15,150,838,841,223.12/4,414,809.60 - Step 6: Final answer
x = 3,431,821.58
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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.