Finding the Fourth Proportional to 5,626,512.16, 8,439,768.42 and 1,366,651.72
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Solution
The fourth proportional to 5,626,512.16, 8,439,768.42 and 1,366,651.72 is: 2,049,977.62
Step by Step Solution
- Step 1: Write the proportion equation
5,626,512.16 : 8,439,768.42 = 1,366,651.72 : x - Step 2: Convert to fraction form
5,626,512.16/8,439,768.42 = 1,366,651.72/x - Step 3: Cross multiply
5,626,512.16x = 8,439,768.42 × 1,366,651.72 - Step 4: Simplify right side
5,626,512.16x = 11,534,224,027,594.68 - Step 5: Solve for x
x = 11,534,224,027,594.68/5,626,512.16 - Step 6: Final answer
x = 2,049,977.62
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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.