Finding the Fourth Proportional to 6,439,721.04, 9,659,912.44 and 1,647,451.88
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Solution
The fourth proportional to 6,439,721.04, 9,659,912.44 and 1,647,451.88 is: 2,471,262.47
Step by Step Solution
- Step 1: Write the proportion equation
6,439,721.04 : 9,659,912.44 = 1,647,451.88 : x - Step 2: Convert to fraction form
6,439,721.04/9,659,912.44 = 1,647,451.88/x - Step 3: Cross multiply
6,439,721.04x = 9,659,912.44 × 1,647,451.88 - Step 4: Simplify right side
6,439,721.04x = 15,914,240,909,913.38 - Step 5: Solve for x
x = 15,914,240,909,913.38/6,439,721.04 - Step 6: Final answer
x = 2,471,262.47
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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.