Finding the Fourth Proportional to 4,185,173.36, 5,775,140.24 and 2,349,211.20
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Solution
The fourth proportional to 4,185,173.36, 5,775,140.24 and 2,349,211.20 is: 3,241,687.49
Step by Step Solution
- Step 1: Write the proportion equation
4,185,173.36 : 5,775,140.24 = 2,349,211.20 : x - Step 2: Convert to fraction form
4,185,173.36/5,775,140.24 = 2,349,211.20/x - Step 3: Cross multiply
4,185,173.36x = 5,775,140.24 × 2,349,211.20 - Step 4: Simplify right side
4,185,173.36x = 13,567,024,133,378.69 - Step 5: Solve for x
x = 13,567,024,133,378.69/4,185,173.36 - Step 6: Final answer
x = 3,241,687.49
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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.