Finding the Fourth Proportional to 2,178,473, 3,006,276 and 1,198,390.96
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Solution
The fourth proportional to 2,178,473, 3,006,276 and 1,198,390.96 is: 1,653,770.32
Step by Step Solution
- Step 1: Write the proportion equation
2,178,473 : 3,006,276 = 1,198,390.96 : x - Step 2: Convert to fraction form
2,178,473/3,006,276 = 1,198,390.96/x - Step 3: Cross multiply
2,178,473x = 3,006,276 × 1,198,390.96 - Step 4: Simplify right side
2,178,473x = 3,602,693,981,664.96 - Step 5: Solve for x
x = 3,602,693,981,664.96/2,178,473 - Step 6: Final answer
x = 1,653,770.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.