Finding the Fourth Proportional to 3,934,663.16, 5,902,205.34 and 1,239,198.36
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Solution
The fourth proportional to 3,934,663.16, 5,902,205.34 and 1,239,198.36 is: 1,858,863.87
Step by Step Solution
- Step 1: Write the proportion equation
3,934,663.16 : 5,902,205.34 = 1,239,198.36 : x - Step 2: Convert to fraction form
3,934,663.16/5,902,205.34 = 1,239,198.36/x - Step 3: Cross multiply
3,934,663.16x = 5,902,205.34 × 1,239,198.36 - Step 4: Simplify right side
3,934,663.16x = 7,314,003,177,711.24 - Step 5: Solve for x
x = 7,314,003,177,711.24/3,934,663.16 - Step 6: Final answer
x = 1,858,863.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.