Finding the Fourth Proportional to 2,221,706.92, 3,330,316.26 and 874,814.62
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Solution
The fourth proportional to 2,221,706.92, 3,330,316.26 and 874,814.62 is: 1,311,338.29
Step by Step Solution
- Step 1: Write the proportion equation
2,221,706.92 : 3,330,316.26 = 874,814.62 : x - Step 2: Convert to fraction form
2,221,706.92/3,330,316.26 = 874,814.62/x - Step 3: Cross multiply
2,221,706.92x = 3,330,316.26 × 874,814.62 - Step 4: Simplify right side
2,221,706.92x = 2,913,409,353,471.72 - Step 5: Solve for x
x = 2,913,409,353,471.72/2,221,706.92 - Step 6: Final answer
x = 1,311,338.29
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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.