Finding the Fourth Proportional to 1,645,977.08, 2,468,716.09 and 447,992.75
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Solution
The fourth proportional to 1,645,977.08, 2,468,716.09 and 447,992.75 is: 671,921.21
Step by Step Solution
- Step 1: Write the proportion equation
1,645,977.08 : 2,468,716.09 = 447,992.75 : x - Step 2: Convert to fraction form
1,645,977.08/2,468,716.09 = 447,992.75/x - Step 3: Cross multiply
1,645,977.08x = 2,468,716.09 × 447,992.75 - Step 4: Simplify right side
1,645,977.08x = 1,105,966,910,128.35 - Step 5: Solve for x
x = 1,105,966,910,128.35/1,645,977.08 - Step 6: Final answer
x = 671,921.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.