Finding the Fourth Proportional to 4,170,561.90, 6,258,175.65 and 1,773,998.70
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Solution
The fourth proportional to 4,170,561.90, 6,258,175.65 and 1,773,998.70 is: 2,661,990.33
Step by Step Solution
- Step 1: Write the proportion equation
4,170,561.90 : 6,258,175.65 = 1,773,998.70 : x - Step 2: Convert to fraction form
4,170,561.90/6,258,175.65 = 1,773,998.70/x - Step 3: Cross multiply
4,170,561.90x = 6,258,175.65 × 1,773,998.70 - Step 4: Simplify right side
4,170,561.90x = 11,101,995,467,471.66 - Step 5: Solve for x
x = 11,101,995,467,471.66/4,170,561.90 - Step 6: Final answer
x = 2,661,990.33
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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.