Finding the Fourth Proportional to 5,519,275.19, 8,278,260.81 and 1,476,076.38
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Solution
The fourth proportional to 5,519,275.19, 8,278,260.81 and 1,476,076.38 is: 2,213,940.21
Step by Step Solution
- Step 1: Write the proportion equation
5,519,275.19 : 8,278,260.81 = 1,476,076.38 : x - Step 2: Convert to fraction form
5,519,275.19/8,278,260.81 = 1,476,076.38/x - Step 3: Cross multiply
5,519,275.19x = 8,278,260.81 × 1,476,076.38 - Step 4: Simplify right side
5,519,275.19x = 12,219,345,249,120.67 - Step 5: Solve for x
x = 12,219,345,249,120.67/5,519,275.19 - Step 6: Final answer
x = 2,213,940.21
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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.