Finding the Fourth Proportional to 5,229,549.12, 7,842,301.92 and 2,034,243.84
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Solution
The fourth proportional to 5,229,549.12, 7,842,301.92 and 2,034,243.84 is: 3,050,579.31
Step by Step Solution
- Step 1: Write the proportion equation
5,229,549.12 : 7,842,301.92 = 2,034,243.84 : x - Step 2: Convert to fraction form
5,229,549.12/7,842,301.92 = 2,034,243.84/x - Step 3: Cross multiply
5,229,549.12x = 7,842,301.92 × 2,034,243.84 - Step 4: Simplify right side
5,229,549.12x = 15,953,154,372,180.17 - Step 5: Solve for x
x = 15,953,154,372,180.17/5,229,549.12 - Step 6: Final answer
x = 3,050,579.31
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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.