Finding the Fourth Proportional to 3,136,385.36, 4,704,629.61 and 861,895.55
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Solution
The fourth proportional to 3,136,385.36, 4,704,629.61 and 861,895.55 is: 1,292,857.50
Step by Step Solution
- Step 1: Write the proportion equation
3,136,385.36 : 4,704,629.61 = 861,895.55 : x - Step 2: Convert to fraction form
3,136,385.36/4,704,629.61 = 861,895.55/x - Step 3: Cross multiply
3,136,385.36x = 4,704,629.61 × 861,895.55 - Step 4: Simplify right side
3,136,385.36x = 4,054,899,325,257.24 - Step 5: Solve for x
x = 4,054,899,325,257.24/3,136,385.36 - Step 6: Final answer
x = 1,292,857.50
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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.