Finding the Fourth Proportional to 2,206,625.12, 3,309,689.84 and 609,415.28
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Solution
The fourth proportional to 2,206,625.12, 3,309,689.84 and 609,415.28 is: 914,054.47
Step by Step Solution
- Step 1: Write the proportion equation
2,206,625.12 : 3,309,689.84 = 609,415.28 : x - Step 2: Convert to fraction form
2,206,625.12/3,309,689.84 = 609,415.28/x - Step 3: Cross multiply
2,206,625.12x = 3,309,689.84 × 609,415.28 - Step 4: Simplify right side
2,206,625.12x = 2,016,975,560,556.76 - Step 5: Solve for x
x = 2,016,975,560,556.76/2,206,625.12 - Step 6: Final answer
x = 914,054.47
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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.