Finding the Fourth Proportional to 6,187,551.15, 8,540,390.21 and 4,228,222.44
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Solution
The fourth proportional to 6,187,551.15, 8,540,390.21 and 4,228,222.44 is: 5,836,019.56
Step by Step Solution
- Step 1: Write the proportion equation
6,187,551.15 : 8,540,390.21 = 4,228,222.44 : x - Step 2: Convert to fraction form
6,187,551.15/8,540,390.21 = 4,228,222.44/x - Step 3: Cross multiply
6,187,551.15x = 8,540,390.21 × 4,228,222.44 - Step 4: Simplify right side
6,187,551.15x = 36,110,669,511,137.20 - Step 5: Solve for x
x = 36,110,669,511,137.20/6,187,551.15 - Step 6: Final answer
x = 5,836,019.56
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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.