Finding the Fourth Proportional to 3,622,363.12, 4,998,657.60 and 2,171,332.48
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Solution
The fourth proportional to 3,622,363.12, 4,998,657.60 and 2,171,332.48 is: 2,996,316.84
Step by Step Solution
- Step 1: Write the proportion equation
3,622,363.12 : 4,998,657.60 = 2,171,332.48 : x - Step 2: Convert to fraction form
3,622,363.12/4,998,657.60 = 2,171,332.48/x - Step 3: Cross multiply
3,622,363.12x = 4,998,657.60 × 2,171,332.48 - Step 4: Simplify right side
3,622,363.12x = 10,853,747,603,278.85 - Step 5: Solve for x
x = 10,853,747,603,278.85/3,622,363.12 - Step 6: Final answer
x = 2,996,316.84
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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.