Finding the Fourth Proportional to 3,961,491.63, 5,940,006.71 and 1,265,183.07
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Solution
The fourth proportional to 3,961,491.63, 5,940,006.71 and 1,265,183.07 is: 1,897,062.17
Step by Step Solution
- Step 1: Write the proportion equation
3,961,491.63 : 5,940,006.71 = 1,265,183.07 : x - Step 2: Convert to fraction form
3,961,491.63/5,940,006.71 = 1,265,183.07/x - Step 3: Cross multiply
3,961,491.63x = 5,940,006.71 × 1,265,183.07 - Step 4: Simplify right side
3,961,491.63x = 7,515,195,918,852.49 - Step 5: Solve for x
x = 7,515,195,918,852.49/3,961,491.63 - Step 6: Final answer
x = 1,897,062.17
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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.