Finding the Fourth Proportional to 2,995,512.60, 4,493,268.90 and 1,310,827.80
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Solution
The fourth proportional to 2,995,512.60, 4,493,268.90 and 1,310,827.80 is: 1,966,241.70
Step by Step Solution
- Step 1: Write the proportion equation
2,995,512.60 : 4,493,268.90 = 1,310,827.80 : x - Step 2: Convert to fraction form
2,995,512.60/4,493,268.90 = 1,310,827.80/x - Step 3: Cross multiply
2,995,512.60x = 4,493,268.90 × 1,310,827.80 - Step 4: Simplify right side
2,995,512.60x = 5,889,901,786,995.42 - Step 5: Solve for x
x = 5,889,901,786,995.42/2,995,512.60 - Step 6: Final answer
x = 1,966,241.70
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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.