Finding the Fourth Proportional to 4,384,414.20, 6,576,621.30 and 2,794,027.80
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Solution
The fourth proportional to 4,384,414.20, 6,576,621.30 and 2,794,027.80 is: 4,191,041.70
Step by Step Solution
- Step 1: Write the proportion equation
4,384,414.20 : 6,576,621.30 = 2,794,027.80 : x - Step 2: Convert to fraction form
4,384,414.20/6,576,621.30 = 2,794,027.80/x - Step 3: Cross multiply
4,384,414.20x = 6,576,621.30 × 2,794,027.80 - Step 4: Simplify right side
4,384,414.20x = 18,375,262,742,272.14 - Step 5: Solve for x
x = 18,375,262,742,272.14/4,384,414.20 - Step 6: Final answer
x = 4,191,041.70
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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.