Finding the Fourth Proportional to 4,110,909.95, 5,672,910.99 and 2,275,371.79
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Solution
The fourth proportional to 4,110,909.95, 5,672,910.99 and 2,275,371.79 is: 3,139,932.95
Step by Step Solution
- Step 1: Write the proportion equation
4,110,909.95 : 5,672,910.99 = 2,275,371.79 : x - Step 2: Convert to fraction form
4,110,909.95/5,672,910.99 = 2,275,371.79/x - Step 3: Cross multiply
4,110,909.95x = 5,672,910.99 × 2,275,371.79 - Step 4: Simplify right side
4,110,909.95x = 12,907,981,605,462.42 - Step 5: Solve for x
x = 12,907,981,605,462.42/4,110,909.95 - Step 6: Final answer
x = 3,139,932.95
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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.