Finding the Fourth Proportional to 2,886,511.20, 4,330,155.60 and 993,832.80
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Solution
The fourth proportional to 2,886,511.20, 4,330,155.60 and 993,832.80 is: 1,490,883.06
Step by Step Solution
- Step 1: Write the proportion equation
2,886,511.20 : 4,330,155.60 = 993,832.80 : x - Step 2: Convert to fraction form
2,886,511.20/4,330,155.60 = 993,832.80/x - Step 3: Cross multiply
2,886,511.20x = 4,330,155.60 × 993,832.80 - Step 4: Simplify right side
2,886,511.20x = 4,303,450,664,383.68 - Step 5: Solve for x
x = 4,303,450,664,383.68/2,886,511.20 - Step 6: Final answer
x = 1,490,883.06
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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.