Finding the Fourth Proportional to 7,419,447.35, 11,129,922.71 and 2,561,120.63
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Solution
The fourth proportional to 7,419,447.35, 11,129,922.71 and 2,561,120.63 is: 3,841,940.42
Step by Step Solution
- Step 1: Write the proportion equation
7,419,447.35 : 11,129,922.71 = 2,561,120.63 : x - Step 2: Convert to fraction form
7,419,447.35/11,129,922.71 = 2,561,120.63/x - Step 3: Cross multiply
7,419,447.35x = 11,129,922.71 × 2,561,120.63 - Step 4: Simplify right side
7,419,447.35x = 28,505,074,650,080.90 - Step 5: Solve for x
x = 28,505,074,650,080.90/7,419,447.35 - Step 6: Final answer
x = 3,841,940.42
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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.