Finding the Fourth Proportional to 2,511,452.80, 3,767,179.20 and 828,467.20
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Solution
The fourth proportional to 2,511,452.80, 3,767,179.20 and 828,467.20 is: 1,242,700.80
Step by Step Solution
- Step 1: Write the proportion equation
2,511,452.80 : 3,767,179.20 = 828,467.20 : x - Step 2: Convert to fraction form
2,511,452.80/3,767,179.20 = 828,467.20/x - Step 3: Cross multiply
2,511,452.80x = 3,767,179.20 × 828,467.20 - Step 4: Simplify right side
2,511,452.80x = 3,120,984,403,722.24 - Step 5: Solve for x
x = 3,120,984,403,722.24/2,511,452.80 - Step 6: Final answer
x = 1,242,700.80
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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.