Finding the Fourth Proportional to 2,192,891.32, 3,289,646.20 and 676,697.68
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Solution
The fourth proportional to 2,192,891.32, 3,289,646.20 and 676,697.68 is: 1,015,141.94
Step by Step Solution
- Step 1: Write the proportion equation
2,192,891.32 : 3,289,646.20 = 676,697.68 : x - Step 2: Convert to fraction form
2,192,891.32/3,289,646.20 = 676,697.68/x - Step 3: Cross multiply
2,192,891.32x = 3,289,646.20 × 676,697.68 - Step 4: Simplify right side
2,192,891.32x = 2,226,095,955,249.94 - Step 5: Solve for x
x = 2,226,095,955,249.94/2,192,891.32 - Step 6: Final answer
x = 1,015,141.94
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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.