Finding the Fourth Proportional to 5,789,857.66, 7,990,961.85 and 3,212,368.81
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Solution
The fourth proportional to 5,789,857.66, 7,990,961.85 and 3,212,368.81 is: 4,433,600.64
Step by Step Solution
- Step 1: Write the proportion equation
5,789,857.66 : 7,990,961.85 = 3,212,368.81 : x - Step 2: Convert to fraction form
5,789,857.66/7,990,961.85 = 3,212,368.81/x - Step 3: Cross multiply
5,789,857.66x = 7,990,961.85 × 3,212,368.81 - Step 4: Simplify right side
5,789,857.66x = 25,669,916,588,862.49 - Step 5: Solve for x
x = 25,669,916,588,862.49/5,789,857.66 - Step 6: Final answer
x = 4,433,600.64
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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.