Finding the Fourth Proportional to 1,690,542.18, 2,332,943.37 and 926,593.38
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Solution
The fourth proportional to 1,690,542.18, 2,332,943.37 and 926,593.38 is: 1,278,696.21
Step by Step Solution
- Step 1: Write the proportion equation
1,690,542.18 : 2,332,943.37 = 926,593.38 : x - Step 2: Convert to fraction form
1,690,542.18/2,332,943.37 = 926,593.38/x - Step 3: Cross multiply
1,690,542.18x = 2,332,943.37 × 926,593.38 - Step 4: Simplify right side
1,690,542.18x = 2,161,689,882,556.89 - Step 5: Solve for x
x = 2,161,689,882,556.89/1,690,542.18 - Step 6: Final answer
x = 1,278,696.21
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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.