Finding the Fourth Proportional to 1,982,850.63, 2,736,350.27 and 1,077,432.63
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Solution
The fourth proportional to 1,982,850.63, 2,736,350.27 and 1,077,432.63 is: 1,486,865.94
Step by Step Solution
- Step 1: Write the proportion equation
1,982,850.63 : 2,736,350.27 = 1,077,432.63 : x - Step 2: Convert to fraction form
1,982,850.63/2,736,350.27 = 1,077,432.63/x - Step 3: Cross multiply
1,982,850.63x = 2,736,350.27 × 1,077,432.63 - Step 4: Simplify right side
1,982,850.63x = 2,948,233,068,007.31 - Step 5: Solve for x
x = 2,948,233,068,007.31/1,982,850.63 - Step 6: Final answer
x = 1,486,865.94
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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.