Finding the Fourth Proportional to 4,255,847.20, 6,383,770.80 and 1,416,246.40
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Solution
The fourth proportional to 4,255,847.20, 6,383,770.80 and 1,416,246.40 is: 2,124,369.60
Step by Step Solution
- Step 1: Write the proportion equation
4,255,847.20 : 6,383,770.80 = 1,416,246.40 : x - Step 2: Convert to fraction form
4,255,847.20/6,383,770.80 = 1,416,246.40/x - Step 3: Cross multiply
4,255,847.20x = 6,383,770.80 × 1,416,246.40 - Step 4: Simplify right side
4,255,847.20x = 9,040,992,413,925.12 - Step 5: Solve for x
x = 9,040,992,413,925.12/4,255,847.20 - Step 6: Final answer
x = 2,124,369.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.