Finding the Fourth Proportional to 2,428,265.92, 3,350,918.95 and 1,340,514.09
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Solution
The fourth proportional to 2,428,265.92, 3,350,918.95 and 1,340,514.09 is: 1,849,860.85
Step by Step Solution
- Step 1: Write the proportion equation
2,428,265.92 : 3,350,918.95 = 1,340,514.09 : x - Step 2: Convert to fraction form
2,428,265.92/3,350,918.95 = 1,340,514.09/x - Step 3: Cross multiply
2,428,265.92x = 3,350,918.95 × 1,340,514.09 - Step 4: Simplify right side
2,428,265.92x = 4,491,954,066,923.01 - Step 5: Solve for x
x = 4,491,954,066,923.01/2,428,265.92 - Step 6: Final answer
x = 1,849,860.85
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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.