Finding the Fourth Proportional to 1,821,589.38, 2,728,729.35 and 1,672,776.18
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Solution
The fourth proportional to 1,821,589.38, 2,728,729.35 and 1,672,776.18 is: 2,505,808.12
Step by Step Solution
- Step 1: Write the proportion equation
1,821,589.38 : 2,728,729.35 = 1,672,776.18 : x - Step 2: Convert to fraction form
1,821,589.38/2,728,729.35 = 1,672,776.18/x - Step 3: Cross multiply
1,821,589.38x = 2,728,729.35 × 1,672,776.18 - Step 4: Simplify right side
1,821,589.38x = 4,564,553,458,346.88 - Step 5: Solve for x
x = 4,564,553,458,346.88/1,821,589.38 - Step 6: Final answer
x = 2,505,808.12
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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.