Finding the Fourth Proportional to 5,182,534.38, 7,154,190.75 and 3,347,887.21
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Solution
The fourth proportional to 5,182,534.38, 7,154,190.75 and 3,347,887.21 is: 4,621,565.81
Step by Step Solution
- Step 1: Write the proportion equation
5,182,534.38 : 7,154,190.75 = 3,347,887.21 : x - Step 2: Convert to fraction form
5,182,534.38/7,154,190.75 = 3,347,887.21/x - Step 3: Cross multiply
5,182,534.38x = 7,154,190.75 × 3,347,887.21 - Step 4: Simplify right side
5,182,534.38x = 23,951,423,709,825.31 - Step 5: Solve for x
x = 23,951,423,709,825.31/5,182,534.38 - Step 6: Final answer
x = 4,621,565.81
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1.5x scale
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.