Finding the Fourth Proportional to 2,072,701.14, 3,106,945.43 and 858,938.13
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Solution
The fourth proportional to 2,072,701.14, 3,106,945.43 and 858,938.13 is: 1,287,534.34
Step by Step Solution
- Step 1: Write the proportion equation
2,072,701.14 : 3,106,945.43 = 858,938.13 : x - Step 2: Convert to fraction form
2,072,701.14/3,106,945.43 = 858,938.13/x - Step 3: Cross multiply
2,072,701.14x = 3,106,945.43 × 858,938.13 - Step 4: Simplify right side
2,072,701.14x = 2,668,673,893,361.56 - Step 5: Solve for x
x = 2,668,673,893,361.56/2,072,701.14 - Step 6: Final answer
x = 1,287,534.34
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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.