Finding the Fourth Proportional to 1,993,324.11, 2,750,462.82 and 1,177,414.56
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Solution
The fourth proportional to 1,993,324.11, 2,750,462.82 and 1,177,414.56 is: 1,624,640.45
Step by Step Solution
- Step 1: Write the proportion equation
1,993,324.11 : 2,750,462.82 = 1,177,414.56 : x - Step 2: Convert to fraction form
1,993,324.11/2,750,462.82 = 1,177,414.56/x - Step 3: Cross multiply
1,993,324.11x = 2,750,462.82 × 1,177,414.56 - Step 4: Simplify right side
1,993,324.11x = 3,238,434,971,006.66 - Step 5: Solve for x
x = 3,238,434,971,006.66/1,993,324.11 - Step 6: Final answer
x = 1,624,640.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.