Finding the Fourth Proportional to 5,414,357.72, 8,122,561.74 and 2,176,147.62
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Solution
The fourth proportional to 5,414,357.72, 8,122,561.74 and 2,176,147.62 is: 3,264,633.46
Step by Step Solution
- Step 1: Write the proportion equation
5,414,357.72 : 8,122,561.74 = 2,176,147.62 : x - Step 2: Convert to fraction form
5,414,357.72/8,122,561.74 = 2,176,147.62/x - Step 3: Cross multiply
5,414,357.72x = 8,122,561.74 × 2,176,147.62 - Step 4: Simplify right side
5,414,357.72x = 17,675,893,398,804.06 - Step 5: Solve for x
x = 17,675,893,398,804.06/5,414,357.72 - Step 6: Final answer
x = 3,264,633.46
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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.