Finding the Fourth Proportional to 4,029,992.20, 6,043,577.10 and 1,189,352.20
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Solution
The fourth proportional to 4,029,992.20, 6,043,577.10 and 1,189,352.20 is: 1,783,611.82
Step by Step Solution
- Step 1: Write the proportion equation
4,029,992.20 : 6,043,577.10 = 1,189,352.20 : x - Step 2: Convert to fraction form
4,029,992.20/6,043,577.10 = 1,189,352.20/x - Step 3: Cross multiply
4,029,992.20x = 6,043,577.10 × 1,189,352.20 - Step 4: Simplify right side
4,029,992.20x = 7,187,941,719,754.62 - Step 5: Solve for x
x = 7,187,941,719,754.62/4,029,992.20 - Step 6: Final answer
x = 1,783,611.82
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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.