Finding the Fourth Proportional to 1,649,396.18, 2,276,165.25 and 914,397.44
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Solution
The fourth proportional to 1,649,396.18, 2,276,165.25 and 914,397.44 is: 1,261,867.64
Step by Step Solution
- Step 1: Write the proportion equation
1,649,396.18 : 2,276,165.25 = 914,397.44 : x - Step 2: Convert to fraction form
1,649,396.18/2,276,165.25 = 914,397.44/x - Step 3: Cross multiply
1,649,396.18x = 2,276,165.25 × 914,397.44 - Step 4: Simplify right side
1,649,396.18x = 2,081,319,666,236.13 - Step 5: Solve for x
x = 2,081,319,666,236.13/1,649,396.18 - Step 6: Final answer
x = 1,261,867.64
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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.