Finding the Fourth Proportional to 2,088,788.70, 3,133,183.05 and 668,891.10
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Solution
The fourth proportional to 2,088,788.70, 3,133,183.05 and 668,891.10 is: 1,003,336.65
Step by Step Solution
- Step 1: Write the proportion equation
2,088,788.70 : 3,133,183.05 = 668,891.10 : x - Step 2: Convert to fraction form
2,088,788.70/3,133,183.05 = 668,891.10/x - Step 3: Cross multiply
2,088,788.70x = 3,133,183.05 × 668,891.10 - Step 4: Simplify right side
2,088,788.70x = 2,095,758,256,815.85 - Step 5: Solve for x
x = 2,095,758,256,815.85/2,088,788.70 - Step 6: Final answer
x = 1,003,336.65
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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.