Finding the Fourth Proportional to 3,812,672.54, 5,719,977.58 and 1,080,216.97
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Solution
The fourth proportional to 3,812,672.54, 5,719,977.58 and 1,080,216.97 is: 1,620,599.93
Step by Step Solution
- Step 1: Write the proportion equation
3,812,672.54 : 5,719,977.58 = 1,080,216.97 : x - Step 2: Convert to fraction form
3,812,672.54/5,719,977.58 = 1,080,216.97/x - Step 3: Cross multiply
3,812,672.54x = 5,719,977.58 × 1,080,216.97 - Step 4: Simplify right side
3,812,672.54x = 6,178,816,849,935.53 - Step 5: Solve for x
x = 6,178,816,849,935.53/3,812,672.54 - Step 6: Final answer
x = 1,620,599.93
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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.