Finding the Fourth Proportional to 1,991,535.53, 2,747,846.63 and 1,132,028.12
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Solution
The fourth proportional to 1,991,535.53, 2,747,846.63 and 1,132,028.12 is: 1,561,930.29
Step by Step Solution
- Step 1: Write the proportion equation
1,991,535.53 : 2,747,846.63 = 1,132,028.12 : x - Step 2: Convert to fraction form
1,991,535.53/2,747,846.63 = 1,132,028.12/x - Step 3: Cross multiply
1,991,535.53x = 2,747,846.63 × 1,132,028.12 - Step 4: Simplify right side
1,991,535.53x = 3,110,639,664,306.92 - Step 5: Solve for x
x = 3,110,639,664,306.92/1,991,535.53 - Step 6: Final answer
x = 1,561,930.29
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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.