Finding the Fourth Proportional to 3,342,214.20, 5,012,728.84 and 1,520,153.49
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Solution
The fourth proportional to 3,342,214.20, 5,012,728.84 and 1,520,153.49 is: 2,279,960.77
Step by Step Solution
- Step 1: Write the proportion equation
3,342,214.20 : 5,012,728.84 = 1,520,153.49 : x - Step 2: Convert to fraction form
3,342,214.20/5,012,728.84 = 1,520,153.49/x - Step 3: Cross multiply
3,342,214.20x = 5,012,728.84 × 1,520,153.49 - Step 4: Simplify right side
3,342,214.20x = 7,620,117,261,247.58 - Step 5: Solve for x
x = 7,620,117,261,247.58/3,342,214.20 - Step 6: Final answer
x = 2,279,960.77
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1.5x scale
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.