Finding the Fourth Proportional to 4,989,816.24, 7,485,647.76 and 1,578,960.24
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Solution
The fourth proportional to 4,989,816.24, 7,485,647.76 and 1,578,960.24 is: 2,368,732.56
Step by Step Solution
- Step 1: Write the proportion equation
4,989,816.24 : 7,485,647.76 = 1,578,960.24 : x - Step 2: Convert to fraction form
4,989,816.24/7,485,647.76 = 1,578,960.24/x - Step 3: Cross multiply
4,989,816.24x = 7,485,647.76 × 1,578,960.24 - Step 4: Simplify right side
4,989,816.24x = 11,819,540,183,685.06 - Step 5: Solve for x
x = 11,819,540,183,685.06/4,989,816.24 - Step 6: Final answer
x = 2,368,732.56
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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.