Finding the Fourth Proportional to 1,619,286.96, 2,234,604.18 and 894,134.25
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Solution
The fourth proportional to 1,619,286.96, 2,234,604.18 and 894,134.25 is: 1,233,898.74
Step by Step Solution
- Step 1: Write the proportion equation
1,619,286.96 : 2,234,604.18 = 894,134.25 : x - Step 2: Convert to fraction form
1,619,286.96/2,234,604.18 = 894,134.25/x - Step 3: Cross multiply
1,619,286.96x = 2,234,604.18 × 894,134.25 - Step 4: Simplify right side
1,619,286.96x = 1,998,036,132,531.17 - Step 5: Solve for x
x = 1,998,036,132,531.17/1,619,286.96 - Step 6: Final answer
x = 1,233,898.74
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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.