Finding the Fourth Proportional to 4,430,647.76, 6,114,142.73 and 2,443,862.09
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Solution
The fourth proportional to 4,430,647.76, 6,114,142.73 and 2,443,862.09 is: 3,372,446.29
Step by Step Solution
- Step 1: Write the proportion equation
4,430,647.76 : 6,114,142.73 = 2,443,862.09 : x - Step 2: Convert to fraction form
4,430,647.76/6,114,142.73 = 2,443,862.09/x - Step 3: Cross multiply
4,430,647.76x = 6,114,142.73 × 2,443,862.09 - Step 4: Simplify right side
4,430,647.76x = 14,942,121,587,906.08 - Step 5: Solve for x
x = 14,942,121,587,906.08/4,430,647.76 - Step 6: Final answer
x = 3,372,446.29
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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.