Finding the Fourth Proportional to 5,770,512.80, 8,639,180.40 and 3,531,024.80
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Solution
The fourth proportional to 5,770,512.80, 8,639,180.40 and 3,531,024.80 is: 5,286,386.38
Step by Step Solution
- Step 1: Write the proportion equation
5,770,512.80 : 8,639,180.40 = 3,531,024.80 : x - Step 2: Convert to fraction form
5,770,512.80/8,639,180.40 = 3,531,024.80/x - Step 3: Cross multiply
5,770,512.80x = 8,639,180.40 × 3,531,024.80 - Step 4: Simplify right side
5,770,512.80x = 30,505,160,244,073.92 - Step 5: Solve for x
x = 30,505,160,244,073.92/5,770,512.80 - Step 6: Final answer
x = 5,286,386.38
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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.