Finding the Fourth Proportional to 5,477,169.20, 8,216,920.20 and 1,691,034.80
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Solution
The fourth proportional to 5,477,169.20, 8,216,920.20 and 1,691,034.80 is: 2,536,912.32
Step by Step Solution
- Step 1: Write the proportion equation
5,477,169.20 : 8,216,920.20 = 1,691,034.80 : x - Step 2: Convert to fraction form
5,477,169.20/8,216,920.20 = 1,691,034.80/x - Step 3: Cross multiply
5,477,169.20x = 8,216,920.20 × 1,691,034.80 - Step 4: Simplify right side
5,477,169.20x = 13,895,098,007,022.96 - Step 5: Solve for x
x = 13,895,098,007,022.96/5,477,169.20 - Step 6: Final answer
x = 2,536,912.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.