Finding the Fourth Proportional to 2,412,531.60, 3,617,485.20 and 992,731.20
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Solution
The fourth proportional to 2,412,531.60, 3,617,485.20 and 992,731.20 is: 1,488,556.84
Step by Step Solution
- Step 1: Write the proportion equation
2,412,531.60 : 3,617,485.20 = 992,731.20 : x - Step 2: Convert to fraction form
2,412,531.60/3,617,485.20 = 992,731.20/x - Step 3: Cross multiply
2,412,531.60x = 3,617,485.20 × 992,731.20 - Step 4: Simplify right side
2,412,531.60x = 3,591,190,423,578.24 - Step 5: Solve for x
x = 3,591,190,423,578.24/2,412,531.60 - Step 6: Final answer
x = 1,488,556.84
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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.