Finding the Fourth Proportional to 5,876,453.80, 8,814,680.70 and 4,881,125.80
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Solution
The fourth proportional to 5,876,453.80, 8,814,680.70 and 4,881,125.80 is: 7,321,688.70
Step by Step Solution
- Step 1: Write the proportion equation
5,876,453.80 : 8,814,680.70 = 4,881,125.80 : x - Step 2: Convert to fraction form
5,876,453.80/8,814,680.70 = 4,881,125.80/x - Step 3: Cross multiply
5,876,453.80x = 8,814,680.70 × 4,881,125.80 - Step 4: Simplify right side
5,876,453.80x = 43,025,565,383,532.05 - Step 5: Solve for x
x = 43,025,565,383,532.05/5,876,453.80 - Step 6: Final answer
x = 7,321,688.70
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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.