Finding the Fourth Proportional to 4,442,391.54, 6,130,519.43 and 2,405,201.04
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Solution
The fourth proportional to 4,442,391.54, 6,130,519.43 and 2,405,201.04 is: 3,319,187.78
Step by Step Solution
- Step 1: Write the proportion equation
4,442,391.54 : 6,130,519.43 = 2,405,201.04 : x - Step 2: Convert to fraction form
4,442,391.54/6,130,519.43 = 2,405,201.04/x - Step 3: Cross multiply
4,442,391.54x = 6,130,519.43 × 2,405,201.04 - Step 4: Simplify right side
4,442,391.54x = 14,745,131,696,750.20 - Step 5: Solve for x
x = 14,745,131,696,750.20/4,442,391.54 - Step 6: Final answer
x = 3,319,187.78
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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.