Finding the Fourth Proportional to 3,476,560.20, 5,214,840.30 and 2,201,101.80
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Solution
The fourth proportional to 3,476,560.20, 5,214,840.30 and 2,201,101.80 is: 3,301,652.70
Step by Step Solution
- Step 1: Write the proportion equation
3,476,560.20 : 5,214,840.30 = 2,201,101.80 : x - Step 2: Convert to fraction form
3,476,560.20/5,214,840.30 = 2,201,101.80/x - Step 3: Cross multiply
3,476,560.20x = 5,214,840.30 × 2,201,101.80 - Step 4: Simplify right side
3,476,560.20x = 11,478,394,371,042.54 - Step 5: Solve for x
x = 11,478,394,371,042.54/3,476,560.20 - Step 6: Final answer
x = 3,301,652.70
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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.