Finding the Fourth Proportional to 4,741,230.40, 6,542,917.91 and 2,565,773.66
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Solution
The fourth proportional to 4,741,230.40, 6,542,917.91 and 2,565,773.66 is: 3,540,778.45
Step by Step Solution
- Step 1: Write the proportion equation
4,741,230.40 : 6,542,917.91 = 2,565,773.66 : x - Step 2: Convert to fraction form
4,741,230.40/6,542,917.91 = 2,565,773.66/x - Step 3: Cross multiply
4,741,230.40x = 6,542,917.91 × 2,565,773.66 - Step 4: Simplify right side
4,741,230.40x = 16,787,646,433,020.25 - Step 5: Solve for x
x = 16,787,646,433,020.25/4,741,230.40 - Step 6: Final answer
x = 3,540,778.45
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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.