Finding the Fourth Proportional to 5,113,414.92, 7,667,634.06 and 2,718,406.92
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Solution
The fourth proportional to 5,113,414.92, 7,667,634.06 and 2,718,406.92 is: 4,076,287.53
Step by Step Solution
- Step 1: Write the proportion equation
5,113,414.92 : 7,667,634.06 = 2,718,406.92 : x - Step 2: Convert to fraction form
5,113,414.92/7,667,634.06 = 2,718,406.92/x - Step 3: Cross multiply
5,113,414.92x = 7,667,634.06 × 2,718,406.92 - Step 4: Simplify right side
5,113,414.92x = 20,843,749,488,731.70 - Step 5: Solve for x
x = 20,843,749,488,731.70/5,113,414.92 - Step 6: Final answer
x = 4,076,287.53
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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.