Finding the Fourth Proportional to 3,226,806.70, 4,452,824.20 and 1,776,218.80
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Solution
The fourth proportional to 3,226,806.70, 4,452,824.20 and 1,776,218.80 is: 2,451,088.89
Step by Step Solution
- Step 1: Write the proportion equation
3,226,806.70 : 4,452,824.20 = 1,776,218.80 : x - Step 2: Convert to fraction form
3,226,806.70/4,452,824.20 = 1,776,218.80/x - Step 3: Cross multiply
3,226,806.70x = 4,452,824.20 × 1,776,218.80 - Step 4: Simplify right side
3,226,806.70x = 7,909,190,057,134.96 - Step 5: Solve for x
x = 7,909,190,057,134.96/3,226,806.70 - Step 6: Final answer
x = 2,451,088.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.