Finding the Fourth Proportional to 2,664,639.99, 3,674,879.28 and 1,888,736.13
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Solution
The fourth proportional to 2,664,639.99, 3,674,879.28 and 1,888,736.13 is: 2,604,808.64
Step by Step Solution
- Step 1: Write the proportion equation
2,664,639.99 : 3,674,879.28 = 1,888,736.13 : x - Step 2: Convert to fraction form
2,664,639.99/3,674,879.28 = 1,888,736.13/x - Step 3: Cross multiply
2,664,639.99x = 3,674,879.28 × 1,888,736.13 - Step 4: Simplify right side
2,664,639.99x = 6,940,877,269,524.39 - Step 5: Solve for x
x = 6,940,877,269,524.39/2,664,639.99 - Step 6: Final answer
x = 2,604,808.64
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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.