Finding the Fourth Proportional to 2,458,415.40, 3,687,623.10 and 1,512,319.20
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Solution
The fourth proportional to 2,458,415.40, 3,687,623.10 and 1,512,319.20 is: 2,268,478.80
Step by Step Solution
- Step 1: Write the proportion equation
2,458,415.40 : 3,687,623.10 = 1,512,319.20 : x - Step 2: Convert to fraction form
2,458,415.40/3,687,623.10 = 1,512,319.20/x - Step 3: Cross multiply
2,458,415.40x = 3,687,623.10 × 1,512,319.20 - Step 4: Simplify right side
2,458,415.40x = 5,576,863,216,493.52 - Step 5: Solve for x
x = 5,576,863,216,493.52/2,458,415.40 - Step 6: Final answer
x = 2,268,478.80
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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.