Finding the Fourth Proportional to 3,759,175.26, 5,186,427.03 and 2,127,420.54
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Solution
The fourth proportional to 3,759,175.26, 5,186,427.03 and 2,127,420.54 is: 2,935,141.52
Step by Step Solution
- Step 1: Write the proportion equation
3,759,175.26 : 5,186,427.03 = 2,127,420.54 : x - Step 2: Convert to fraction form
3,759,175.26/5,186,427.03 = 2,127,420.54/x - Step 3: Cross multiply
3,759,175.26x = 5,186,427.03 × 2,127,420.54 - Step 4: Simplify right side
3,759,175.26x = 11,033,711,392,833.20 - Step 5: Solve for x
x = 11,033,711,392,833.20/3,759,175.26 - Step 6: Final answer
x = 2,935,141.52
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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.