Finding the Fourth Proportional to 5,445,230.40, 8,167,845.60 and 5,197,224.60
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Solution
The fourth proportional to 5,445,230.40, 8,167,845.60 and 5,197,224.60 is: 7,795,836.90
Step by Step Solution
- Step 1: Write the proportion equation
5,445,230.40 : 8,167,845.60 = 5,197,224.60 : x - Step 2: Convert to fraction form
5,445,230.40/8,167,845.60 = 5,197,224.60/x - Step 3: Cross multiply
5,445,230.40x = 8,167,845.60 × 5,197,224.60 - Step 4: Simplify right side
5,445,230.40x = 42,450,128,081,321.76 - Step 5: Solve for x
x = 42,450,128,081,321.76/5,445,230.40 - Step 6: Final answer
x = 7,795,836.90
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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.