Finding the Fourth Proportional to 3,416,949.80, 5,125,424.70 and 2,160,348.20
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Solution
The fourth proportional to 3,416,949.80, 5,125,424.70 and 2,160,348.20 is: 3,240,522.30
Step by Step Solution
- Step 1: Write the proportion equation
3,416,949.80 : 5,125,424.70 = 2,160,348.20 : x - Step 2: Convert to fraction form
3,416,949.80/5,125,424.70 = 2,160,348.20/x - Step 3: Cross multiply
3,416,949.80x = 5,125,424.70 × 2,160,348.20 - Step 4: Simplify right side
3,416,949.80x = 11,072,702,024,880.54 - Step 5: Solve for x
x = 11,072,702,024,880.54/3,416,949.80 - Step 6: Final answer
x = 3,240,522.30
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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.