Finding the Fourth Proportional to 4,185,145.53, 5,775,101.90 and 2,349,183.03
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Solution
The fourth proportional to 4,185,145.53, 5,775,101.90 and 2,349,183.03 is: 3,241,648.65
Step by Step Solution
- Step 1: Write the proportion equation
4,185,145.53 : 5,775,101.90 = 2,349,183.03 : x - Step 2: Convert to fraction form
4,185,145.53/5,775,101.90 = 2,349,183.03/x - Step 3: Cross multiply
4,185,145.53x = 5,775,101.90 × 2,349,183.03 - Step 4: Simplify right side
4,185,145.53x = 13,566,771,368,254.84 - Step 5: Solve for x
x = 13,566,771,368,254.84/4,185,145.53 - Step 6: Final answer
x = 3,241,648.65
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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.