Finding the Fourth Proportional to 6,472,340.40, 9,711,232.20 and 3,477,025.20
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Solution
The fourth proportional to 6,472,340.40, 9,711,232.20 and 3,477,025.20 is: 5,216,999.88
Step by Step Solution
- Step 1: Write the proportion equation
6,472,340.40 : 9,711,232.20 = 3,477,025.20 : x - Step 2: Convert to fraction form
6,472,340.40/9,711,232.20 = 3,477,025.20/x - Step 3: Cross multiply
6,472,340.40x = 9,711,232.20 × 3,477,025.20 - Step 4: Simplify right side
6,472,340.40x = 33,766,199,082,451.44 - Step 5: Solve for x
x = 33,766,199,082,451.44/6,472,340.40 - Step 6: Final answer
x = 5,216,999.88
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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.