Finding the Fourth Proportional to 3,136,371.40, 4,704,608.62 and 861,881.52
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Solution
The fourth proportional to 3,136,371.40, 4,704,608.62 and 861,881.52 is: 1,292,836.44
Step by Step Solution
- Step 1: Write the proportion equation
3,136,371.40 : 4,704,608.62 = 861,881.52 : x - Step 2: Convert to fraction form
3,136,371.40/4,704,608.62 = 861,881.52/x - Step 3: Cross multiply
3,136,371.40x = 4,704,608.62 × 861,881.52 - Step 4: Simplify right side
3,136,371.40x = 4,054,815,228,410.70 - Step 5: Solve for x
x = 4,054,815,228,410.70/3,136,371.40 - Step 6: Final answer
x = 1,292,836.44
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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.