Finding the Fourth Proportional to 5,474,784.12, 7,552,690.86 and 3,541,668.09
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Solution
The fourth proportional to 5,474,784.12, 7,552,690.86 and 3,541,668.09 is: 4,885,877.44
Step by Step Solution
- Step 1: Write the proportion equation
5,474,784.12 : 7,552,690.86 = 3,541,668.09 : x - Step 2: Convert to fraction form
5,474,784.12/7,552,690.86 = 3,541,668.09/x - Step 3: Cross multiply
5,474,784.12x = 7,552,690.86 × 3,541,668.09 - Step 4: Simplify right side
5,474,784.12x = 26,749,124,212,496.66 - Step 5: Solve for x
x = 26,749,124,212,496.66/5,474,784.12 - Step 6: Final answer
x = 4,885,877.44
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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.