Finding the Fourth Proportional to 3,887,664.38, 5,832,615.72 and 1,192,385.06
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Solution
The fourth proportional to 3,887,664.38, 5,832,615.72 and 1,192,385.06 is: 1,788,920.84
Step by Step Solution
- Step 1: Write the proportion equation
3,887,664.38 : 5,832,615.72 = 1,192,385.06 : x - Step 2: Convert to fraction form
3,887,664.38/5,832,615.72 = 1,192,385.06/x - Step 3: Cross multiply
3,887,664.38x = 5,832,615.72 × 1,192,385.06 - Step 4: Simplify right side
3,887,664.38x = 6,954,723,845,249.14 - Step 5: Solve for x
x = 6,954,723,845,249.14/3,887,664.38 - Step 6: Final answer
x = 1,788,920.84
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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.