Finding the Fourth Proportional to 4,188,590.40, 5,780,391.66 and 2,353,375.20
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Solution
The fourth proportional to 4,188,590.40, 5,780,391.66 and 2,353,375.20 is: 3,247,734.70
Step by Step Solution
- Step 1: Write the proportion equation
4,188,590.40 : 5,780,391.66 = 2,353,375.20 : x - Step 2: Convert to fraction form
4,188,590.40/5,780,391.66 = 2,353,375.20/x - Step 3: Cross multiply
4,188,590.40x = 5,780,391.66 × 2,353,375.20 - Step 4: Simplify right side
4,188,590.40x = 13,603,430,378,930.83 - Step 5: Solve for x
x = 13,603,430,378,930.83/4,188,590.40 - Step 6: Final answer
x = 3,247,734.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.