Finding the Fourth Proportional to 2,471,378.20, 3,702,401.70 and 1,269,208.60
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Solution
The fourth proportional to 2,471,378.20, 3,702,401.70 and 1,269,208.60 is: 1,901,416.82
Step by Step Solution
- Step 1: Write the proportion equation
2,471,378.20 : 3,702,401.70 = 1,269,208.60 : x - Step 2: Convert to fraction form
2,471,378.20/3,702,401.70 = 1,269,208.60/x - Step 3: Cross multiply
2,471,378.20x = 3,702,401.70 × 1,269,208.60 - Step 4: Simplify right side
2,471,378.20x = 4,699,120,078,294.62 - Step 5: Solve for x
x = 4,699,120,078,294.62/2,471,378.20 - Step 6: Final answer
x = 1,901,416.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.