Finding the Fourth Proportional to 1,916,137.40, 2,874,372.11 and 702,043.79
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Solution
The fourth proportional to 1,916,137.40, 2,874,372.11 and 702,043.79 is: 1,053,126.50
Step by Step Solution
- Step 1: Write the proportion equation
1,916,137.40 : 2,874,372.11 = 702,043.79 : x - Step 2: Convert to fraction form
1,916,137.40/2,874,372.11 = 702,043.79/x - Step 3: Cross multiply
1,916,137.40x = 2,874,372.11 × 702,043.79 - Step 4: Simplify right side
1,916,137.40x = 2,017,935,072,092.62 - Step 5: Solve for x
x = 2,017,935,072,092.62/1,916,137.40 - Step 6: Final answer
x = 1,053,126.50
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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.