Finding the Fourth Proportional to 1,509,815.34, 2,264,441.64 and 485,163.38
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Solution
The fourth proportional to 1,509,815.34, 2,264,441.64 and 485,163.38 is: 727,654.65
Step by Step Solution
- Step 1: Write the proportion equation
1,509,815.34 : 2,264,441.64 = 485,163.38 : x - Step 2: Convert to fraction form
1,509,815.34/2,264,441.64 = 485,163.38/x - Step 3: Cross multiply
1,509,815.34x = 2,264,441.64 × 485,163.38 - Step 4: Simplify right side
1,509,815.34x = 1,098,624,148,552.94 - Step 5: Solve for x
x = 1,098,624,148,552.94/1,509,815.34 - Step 6: Final answer
x = 727,654.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.