Finding the Fourth Proportional to 4,412,461.26, 6,618,709.17 and 2,916,220.62
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Solution
The fourth proportional to 4,412,461.26, 6,618,709.17 and 2,916,220.62 is: 4,374,342.35
Step by Step Solution
- Step 1: Write the proportion equation
4,412,461.26 : 6,618,709.17 = 2,916,220.62 : x - Step 2: Convert to fraction form
4,412,461.26/6,618,709.17 = 2,916,220.62/x - Step 3: Cross multiply
4,412,461.26x = 6,618,709.17 × 2,916,220.62 - Step 4: Simplify right side
4,412,461.26x = 19,301,616,159,337.09 - Step 5: Solve for x
x = 19,301,616,159,337.09/4,412,461.26 - Step 6: Final answer
x = 4,374,342.35
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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.