Finding the Fourth Proportional to 3,148,812.51, 4,345,292.43 and 1,753,363.95
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Solution
The fourth proportional to 3,148,812.51, 4,345,292.43 and 1,753,363.95 is: 2,419,603.92
Step by Step Solution
- Step 1: Write the proportion equation
3,148,812.51 : 4,345,292.43 = 1,753,363.95 : x - Step 2: Convert to fraction form
3,148,812.51/4,345,292.43 = 1,753,363.95/x - Step 3: Cross multiply
3,148,812.51x = 4,345,292.43 × 1,753,363.95 - Step 4: Simplify right side
3,148,812.51x = 7,618,879,098,969.90 - Step 5: Solve for x
x = 7,618,879,098,969.90/3,148,812.51 - Step 6: Final answer
x = 2,419,603.92
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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.