Finding the Fourth Proportional to 6,107,211.09, 8,428,987.98 and 3,530,385.63
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Solution
The fourth proportional to 6,107,211.09, 8,428,987.98 and 3,530,385.63 is: 4,872,531.44
Step by Step Solution
- Step 1: Write the proportion equation
6,107,211.09 : 8,428,987.98 = 3,530,385.63 : x - Step 2: Convert to fraction form
6,107,211.09/8,428,987.98 = 3,530,385.63/x - Step 3: Cross multiply
6,107,211.09x = 8,428,987.98 × 3,530,385.63 - Step 4: Simplify right side
6,107,211.09x = 29,757,578,040,034.73 - Step 5: Solve for x
x = 29,757,578,040,034.73/6,107,211.09 - Step 6: Final answer
x = 4,872,531.44
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1.5x scale
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.