Finding the Fourth Proportional to 3,138,160.70, 4,707,938.01 and 894,318.14
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Solution
The fourth proportional to 3,138,160.70, 4,707,938.01 and 894,318.14 is: 1,341,675.83
Step by Step Solution
- Step 1: Write the proportion equation
3,138,160.70 : 4,707,938.01 = 894,318.14 : x - Step 2: Convert to fraction form
3,138,160.70/4,707,938.01 = 894,318.14/x - Step 3: Cross multiply
3,138,160.70x = 4,707,938.01 × 894,318.14 - Step 4: Simplify right side
3,138,160.70x = 4,210,394,364,338.50 - Step 5: Solve for x
x = 4,210,394,364,338.50/3,138,160.70 - Step 6: Final answer
x = 1,341,675.83
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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.