Finding the Fourth Proportional to 4,079,352.65, 5,629,387.75 and 2,243,810.43
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Solution
The fourth proportional to 4,079,352.65, 5,629,387.75 and 2,243,810.43 is: 3,096,392.99
Step by Step Solution
- Step 1: Write the proportion equation
4,079,352.65 : 5,629,387.75 = 2,243,810.43 : x - Step 2: Convert to fraction form
4,079,352.65/5,629,387.75 = 2,243,810.43/x - Step 3: Cross multiply
4,079,352.65x = 5,629,387.75 × 2,243,810.43 - Step 4: Simplify right side
4,079,352.65x = 12,631,278,942,354.71 - Step 5: Solve for x
x = 12,631,278,942,354.71/4,079,352.65 - Step 6: Final answer
x = 3,096,392.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.