Finding the Fourth Proportional to 4,505,211.32, 6,215,633.58 and 3,416,348.60
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Solution
The fourth proportional to 4,505,211.32, 6,215,633.58 and 3,416,348.60 is: 4,713,379.59
Step by Step Solution
- Step 1: Write the proportion equation
4,505,211.32 : 6,215,633.58 = 3,416,348.60 : x - Step 2: Convert to fraction form
4,505,211.32/6,215,633.58 = 3,416,348.60/x - Step 3: Cross multiply
4,505,211.32x = 6,215,633.58 × 3,416,348.60 - Step 4: Simplify right side
4,505,211.32x = 21,234,771,079,145.99 - Step 5: Solve for x
x = 21,234,771,079,145.99/4,505,211.32 - Step 6: Final answer
x = 4,713,379.59
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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.