Finding the Fourth Proportional to 4,157,586.40, 6,235,083.60 and 1,634,015.20
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Solution
The fourth proportional to 4,157,586.40, 6,235,083.60 and 1,634,015.20 is: 2,450,513.45
Step by Step Solution
- Step 1: Write the proportion equation
4,157,586.40 : 6,235,083.60 = 1,634,015.20 : x - Step 2: Convert to fraction form
4,157,586.40/6,235,083.60 = 1,634,015.20/x - Step 3: Cross multiply
4,157,586.40x = 6,235,083.60 × 1,634,015.20 - Step 4: Simplify right side
4,157,586.40x = 10,188,221,375,670.72 - Step 5: Solve for x
x = 10,188,221,375,670.72/4,157,586.40 - Step 6: Final answer
x = 2,450,513.45
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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.