Finding the Fourth Proportional to 5,920,475.68, 8,170,280.40 and 3,204,220.96
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Solution
The fourth proportional to 5,920,475.68, 8,170,280.40 and 3,204,220.96 is: 4,421,837.89
Step by Step Solution
- Step 1: Write the proportion equation
5,920,475.68 : 8,170,280.40 = 3,204,220.96 : x - Step 2: Convert to fraction form
5,920,475.68/8,170,280.40 = 3,204,220.96/x - Step 3: Cross multiply
5,920,475.68x = 8,170,280.40 × 3,204,220.96 - Step 4: Simplify right side
5,920,475.68x = 26,179,383,706,757.18 - Step 5: Solve for x
x = 26,179,383,706,757.18/5,920,475.68 - Step 6: Final answer
x = 4,421,837.89
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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.