Finding the Fourth Proportional to 1,914,394.20, 2,641,829.78 and 1,043,236.46
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Solution
The fourth proportional to 1,914,394.20, 2,641,829.78 and 1,043,236.46 is: 1,439,647.68
Step by Step Solution
- Step 1: Write the proportion equation
1,914,394.20 : 2,641,829.78 = 1,043,236.46 : x - Step 2: Convert to fraction form
1,914,394.20/2,641,829.78 = 1,043,236.46/x - Step 3: Cross multiply
1,914,394.20x = 2,641,829.78 × 1,043,236.46 - Step 4: Simplify right side
1,914,394.20x = 2,756,053,156,822.44 - Step 5: Solve for x
x = 2,756,053,156,822.44/1,914,394.20 - Step 6: Final answer
x = 1,439,647.68
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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.