Finding the Fourth Proportional to 6,120,590.28, 8,446,414.40 and 3,367,218.44
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Solution
The fourth proportional to 6,120,590.28, 8,446,414.40 and 3,367,218.44 is: 4,646,761.34
Step by Step Solution
- Step 1: Write the proportion equation
6,120,590.28 : 8,446,414.40 = 3,367,218.44 : x - Step 2: Convert to fraction form
6,120,590.28/8,446,414.40 = 3,367,218.44/x - Step 3: Cross multiply
6,120,590.28x = 8,446,414.40 × 3,367,218.44 - Step 4: Simplify right side
6,120,590.28x = 28,440,922,319,561.54 - Step 5: Solve for x
x = 28,440,922,319,561.54/6,120,590.28 - Step 6: Final answer
x = 4,646,761.34
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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.