Finding the Fourth Proportional to 2,062,705.28, 2,846,489.12 and 1,144,880.96
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Solution
The fourth proportional to 2,062,705.28, 2,846,489.12 and 1,144,880.96 is: 1,579,911.21
Step by Step Solution
- Step 1: Write the proportion equation
2,062,705.28 : 2,846,489.12 = 1,144,880.96 : x - Step 2: Convert to fraction form
2,062,705.28/2,846,489.12 = 1,144,880.96/x - Step 3: Cross multiply
2,062,705.28x = 2,846,489.12 × 1,144,880.96 - Step 4: Simplify right side
2,062,705.28x = 3,258,891,196,335.16 - Step 5: Solve for x
x = 3,258,891,196,335.16/2,062,705.28 - Step 6: Final answer
x = 1,579,911.21
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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.