Finding the Fourth Proportional to 2,428,672.80, 3,639,898.80 and 1,864,912.80
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Solution
The fourth proportional to 2,428,672.80, 3,639,898.80 and 1,864,912.80 is: 2,794,980.81
Step by Step Solution
- Step 1: Write the proportion equation
2,428,672.80 : 3,639,898.80 = 1,864,912.80 : x - Step 2: Convert to fraction form
2,428,672.80/3,639,898.80 = 1,864,912.80/x - Step 3: Cross multiply
2,428,672.80x = 3,639,898.80 × 1,864,912.80 - Step 4: Simplify right side
2,428,672.80x = 6,788,093,862,824.64 - Step 5: Solve for x
x = 6,788,093,862,824.64/2,428,672.80 - Step 6: Final answer
x = 2,794,980.81
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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.