Finding the Fourth Proportional to 2,023,175.68, 2,791,949.87 and 1,105,385.13
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Solution
The fourth proportional to 2,023,175.68, 2,791,949.87 and 1,105,385.13 is: 1,525,413.69
Step by Step Solution
- Step 1: Write the proportion equation
2,023,175.68 : 2,791,949.87 = 1,105,385.13 : x - Step 2: Convert to fraction form
2,023,175.68/2,791,949.87 = 1,105,385.13/x - Step 3: Cross multiply
2,023,175.68x = 2,791,949.87 × 1,105,385.13 - Step 4: Simplify right side
2,023,175.68x = 3,086,179,866,549.10 - Step 5: Solve for x
x = 3,086,179,866,549.10/2,023,175.68 - Step 6: Final answer
x = 1,525,413.69
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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.