Finding the Fourth Proportional to 5,533,845.98, 7,636,748.73 and 3,086,615.66
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Solution
The fourth proportional to 5,533,845.98, 7,636,748.73 and 3,086,615.66 is: 4,259,552.63
Step by Step Solution
- Step 1: Write the proportion equation
5,533,845.98 : 7,636,748.73 = 3,086,615.66 : x - Step 2: Convert to fraction form
5,533,845.98/7,636,748.73 = 3,086,615.66/x - Step 3: Cross multiply
5,533,845.98x = 7,636,748.73 × 3,086,615.66 - Step 4: Simplify right side
5,533,845.98x = 23,571,708,221,503.11 - Step 5: Solve for x
x = 23,571,708,221,503.11/5,533,845.98 - Step 6: Final answer
x = 4,259,552.63
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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.