Finding the Fourth Proportional to 5,643,037.64, 7,787,872.23 and 3,196,083.99
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Solution
The fourth proportional to 5,643,037.64, 7,787,872.23 and 3,196,083.99 is: 4,410,867.93
Step by Step Solution
- Step 1: Write the proportion equation
5,643,037.64 : 7,787,872.23 = 3,196,083.99 : x - Step 2: Convert to fraction form
5,643,037.64/7,787,872.23 = 3,196,083.99/x - Step 3: Cross multiply
5,643,037.64x = 7,787,872.23 × 3,196,083.99 - Step 4: Simplify right side
5,643,037.64x = 24,890,693,741,859.00 - Step 5: Solve for x
x = 24,890,693,741,859.00/5,643,037.64 - Step 6: Final answer
x = 4,410,867.93
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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.