Finding the Fourth Proportional to 2,480,942.08, 3,423,700.08 and 1,393,214.56
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Solution
The fourth proportional to 2,480,942.08, 3,423,700.08 and 1,393,214.56 is: 1,922,636.10
Step by Step Solution
- Step 1: Write the proportion equation
2,480,942.08 : 3,423,700.08 = 1,393,214.56 : x - Step 2: Convert to fraction form
2,480,942.08/3,423,700.08 = 1,393,214.56/x - Step 3: Cross multiply
2,480,942.08x = 3,423,700.08 × 1,393,214.56 - Step 4: Simplify right side
2,480,942.08x = 4,769,948,800,529.17 - Step 5: Solve for x
x = 4,769,948,800,529.17/2,480,942.08 - Step 6: Final answer
x = 1,922,636.10
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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.