Finding the Fourth Proportional to 5,203,901.60, 7,181,469.24 and 2,849,060.08
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Solution
The fourth proportional to 5,203,901.60, 7,181,469.24 and 2,849,060.08 is: 3,931,749.46
Step by Step Solution
- Step 1: Write the proportion equation
5,203,901.60 : 7,181,469.24 = 2,849,060.08 : x - Step 2: Convert to fraction form
5,203,901.60/7,181,469.24 = 2,849,060.08/x - Step 3: Cross multiply
5,203,901.60x = 7,181,469.24 × 2,849,060.08 - Step 4: Simplify right side
5,203,901.60x = 20,460,437,327,431.94 - Step 5: Solve for x
x = 20,460,437,327,431.94/5,203,901.60 - Step 6: Final answer
x = 3,931,749.46
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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.