Finding the Fourth Proportional to 3,643,512.10, 5,465,268.15 and 1,119,163.30
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Solution
The fourth proportional to 3,643,512.10, 5,465,268.15 and 1,119,163.30 is: 1,678,744.95
Step by Step Solution
- Step 1: Write the proportion equation
3,643,512.10 : 5,465,268.15 = 1,119,163.30 : x - Step 2: Convert to fraction form
3,643,512.10/5,465,268.15 = 1,119,163.30/x - Step 3: Cross multiply
3,643,512.10x = 5,465,268.15 × 1,119,163.30 - Step 4: Simplify right side
3,643,512.10x = 6,116,527,538,138.90 - Step 5: Solve for x
x = 6,116,527,538,138.90/3,643,512.10 - Step 6: Final answer
x = 1,678,744.95
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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.