Finding the Fourth Proportional to 1,528,265.20, 2,286,954.60 and 1,330,754.80
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Solution
The fourth proportional to 1,528,265.20, 2,286,954.60 and 1,330,754.80 is: 1,991,392.47
Step by Step Solution
- Step 1: Write the proportion equation
1,528,265.20 : 2,286,954.60 = 1,330,754.80 : x - Step 2: Convert to fraction form
1,528,265.20/2,286,954.60 = 1,330,754.80/x - Step 3: Cross multiply
1,528,265.20x = 2,286,954.60 × 1,330,754.80 - Step 4: Simplify right side
1,528,265.20x = 3,043,375,811,332.08 - Step 5: Solve for x
x = 3,043,375,811,332.08/1,528,265.20 - Step 6: Final answer
x = 1,991,392.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.