Finding the Fourth Proportional to 6,821,830.80, 10,230,964.20 and 2,028,229.20
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Solution
The fourth proportional to 6,821,830.80, 10,230,964.20 and 2,028,229.20 is: 3,041,813.99
Step by Step Solution
- Step 1: Write the proportion equation
6,821,830.80 : 10,230,964.20 = 2,028,229.20 : x - Step 2: Convert to fraction form
6,821,830.80/10,230,964.20 = 2,028,229.20/x - Step 3: Cross multiply
6,821,830.80x = 10,230,964.20 × 2,028,229.20 - Step 4: Simplify right side
6,821,830.80x = 20,750,740,334,594.64 - Step 5: Solve for x
x = 20,750,740,334,594.64/6,821,830.80 - Step 6: Final answer
x = 3,041,813.99
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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.