Finding the Fourth Proportional to 3,440,883.68, 4,741,416.56 and 2,661,781.76
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Solution
The fourth proportional to 3,440,883.68, 4,741,416.56 and 2,661,781.76 is: 3,667,841.55
Step by Step Solution
- Step 1: Write the proportion equation
3,440,883.68 : 4,741,416.56 = 2,661,781.76 : x - Step 2: Convert to fraction form
3,440,883.68/4,741,416.56 = 2,661,781.76/x - Step 3: Cross multiply
3,440,883.68x = 4,741,416.56 × 2,661,781.76 - Step 4: Simplify right side
3,440,883.68x = 12,620,616,115,969.94 - Step 5: Solve for x
x = 12,620,616,115,969.94/3,440,883.68 - Step 6: Final answer
x = 3,667,841.55
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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.