Finding the Fourth Proportional to 3,515,924.80, 5,273,887.20 and 856,532.80
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Solution
The fourth proportional to 3,515,924.80, 5,273,887.20 and 856,532.80 is: 1,284,799.20
Step by Step Solution
- Step 1: Write the proportion equation
3,515,924.80 : 5,273,887.20 = 856,532.80 : x - Step 2: Convert to fraction form
3,515,924.80/5,273,887.20 = 856,532.80/x - Step 3: Cross multiply
3,515,924.80x = 5,273,887.20 × 856,532.80 - Step 4: Simplify right side
3,515,924.80x = 4,517,257,370,300.16 - Step 5: Solve for x
x = 4,517,257,370,300.16/3,515,924.80 - Step 6: Final answer
x = 1,284,799.20
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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.