Finding the Fourth Proportional to 6,187,613.88, 8,538,910.26 and 3,434,302.44
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Solution
The fourth proportional to 6,187,613.88, 8,538,910.26 and 3,434,302.44 is: 4,739,339.09
Step by Step Solution
- Step 1: Write the proportion equation
6,187,613.88 : 8,538,910.26 = 3,434,302.44 : x - Step 2: Convert to fraction form
6,187,613.88/8,538,910.26 = 3,434,302.44/x - Step 3: Cross multiply
6,187,613.88x = 8,538,910.26 × 3,434,302.44 - Step 4: Simplify right side
6,187,613.88x = 29,325,200,340,859.03 - Step 5: Solve for x
x = 29,325,200,340,859.03/6,187,613.88 - Step 6: Final answer
x = 4,739,339.09
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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.