Finding the Fourth Proportional to 1,398,202.76, 1,936,826.21 and 1,369,859.24
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Solution
The fourth proportional to 1,398,202.76, 1,936,826.21 and 1,369,859.24 is: 1,897,564.04
Step by Step Solution
- Step 1: Write the proportion equation
1,398,202.76 : 1,936,826.21 = 1,369,859.24 : x - Step 2: Convert to fraction form
1,398,202.76/1,936,826.21 = 1,369,859.24/x - Step 3: Cross multiply
1,398,202.76x = 1,936,826.21 × 1,369,859.24 - Step 4: Simplify right side
1,398,202.76x = 2,653,179,280,042.68 - Step 5: Solve for x
x = 2,653,179,280,042.68/1,398,202.76 - Step 6: Final answer
x = 1,897,564.04
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.