Finding the Fourth Proportional to 3,025,231.28, 4,174,765.62 and 1,648,587.32
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Solution
The fourth proportional to 3,025,231.28, 4,174,765.62 and 1,648,587.32 is: 2,275,021.32
Step by Step Solution
- Step 1: Write the proportion equation
3,025,231.28 : 4,174,765.62 = 1,648,587.32 : x - Step 2: Convert to fraction form
3,025,231.28/4,174,765.62 = 1,648,587.32/x - Step 3: Cross multiply
3,025,231.28x = 4,174,765.62 × 1,648,587.32 - Step 4: Simplify right side
3,025,231.28x = 6,882,465,665,103.94 - Step 5: Solve for x
x = 6,882,465,665,103.94/3,025,231.28 - Step 6: Final answer
x = 2,275,021.32
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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.