Finding the Fourth Proportional to 1,751,010.40, 2,416,431.60 and 987,063.76
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Solution
The fourth proportional to 1,751,010.40, 2,416,431.60 and 987,063.76 is: 1,362,168.99
Step by Step Solution
- Step 1: Write the proportion equation
1,751,010.40 : 2,416,431.60 = 987,063.76 : x - Step 2: Convert to fraction form
1,751,010.40/2,416,431.60 = 987,063.76/x - Step 3: Cross multiply
1,751,010.40x = 2,416,431.60 × 987,063.76 - Step 4: Simplify right side
1,751,010.40x = 2,385,172,060,878.82 - Step 5: Solve for x
x = 2,385,172,060,878.82/1,751,010.40 - Step 6: Final answer
x = 1,362,168.99
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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.