Finding the Fourth Proportional to 2,731,170.12, 3,768,452.13 and 1,569,391.92
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Solution
The fourth proportional to 2,731,170.12, 3,768,452.13 and 1,569,391.92 is: 2,165,437.55
Step by Step Solution
- Step 1: Write the proportion equation
2,731,170.12 : 3,768,452.13 = 1,569,391.92 : x - Step 2: Convert to fraction form
2,731,170.12/3,768,452.13 = 1,569,391.92/x - Step 3: Cross multiply
2,731,170.12x = 3,768,452.13 × 1,569,391.92 - Step 4: Simplify right side
2,731,170.12x = 5,914,178,323,728.79 - Step 5: Solve for x
x = 5,914,178,323,728.79/2,731,170.12 - Step 6: Final answer
x = 2,165,437.55
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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.