Finding the Fourth Proportional to 3,445,377.12, 5,169,151.84 and 1,623,668.56
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Solution
The fourth proportional to 3,445,377.12, 5,169,151.84 and 1,623,668.56 is: 2,436,014.70
Step by Step Solution
- Step 1: Write the proportion equation
3,445,377.12 : 5,169,151.84 = 1,623,668.56 : x - Step 2: Convert to fraction form
3,445,377.12/5,169,151.84 = 1,623,668.56/x - Step 3: Cross multiply
3,445,377.12x = 5,169,151.84 × 1,623,668.56 - Step 4: Simplify right side
3,445,377.12x = 8,392,989,324,474.15 - Step 5: Solve for x
x = 8,392,989,324,474.15/3,445,377.12 - Step 6: Final answer
x = 2,436,014.70
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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.