Finding the Fourth Proportional to 6,743,610.40, 10,115,415.60 and 2,195,087.80
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Solution
The fourth proportional to 6,743,610.40, 10,115,415.60 and 2,195,087.80 is: 3,292,631.70
Step by Step Solution
- Step 1: Write the proportion equation
6,743,610.40 : 10,115,415.60 = 2,195,087.80 : x - Step 2: Convert to fraction form
6,743,610.40/10,115,415.60 = 2,195,087.80/x - Step 3: Cross multiply
6,743,610.40x = 10,115,415.60 × 2,195,087.80 - Step 4: Simplify right side
6,743,610.40x = 22,204,225,375,489.68 - Step 5: Solve for x
x = 22,204,225,375,489.68/6,743,610.40 - Step 6: Final answer
x = 3,292,631.70
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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.