Finding the Fourth Proportional to 5,440,366.78, 8,160,255.02 and 1,653,554.40
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Solution
The fourth proportional to 5,440,366.78, 8,160,255.02 and 1,653,554.40 is: 2,480,241.89
Step by Step Solution
- Step 1: Write the proportion equation
5,440,366.78 : 8,160,255.02 = 1,653,554.40 : x - Step 2: Convert to fraction form
5,440,366.78/8,160,255.02 = 1,653,554.40/x - Step 3: Cross multiply
5,440,366.78x = 8,160,255.02 × 1,653,554.40 - Step 4: Simplify right side
5,440,366.78x = 13,493,425,593,443.09 - Step 5: Solve for x
x = 13,493,425,593,443.09/5,440,366.78 - Step 6: Final answer
x = 2,480,241.89
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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.