Finding the Fourth Proportional to 2,072,925.92, 2,859,115.05 and 1,373,942.60
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Solution
The fourth proportional to 2,072,925.92, 2,859,115.05 and 1,373,942.60 is: 1,895,031.52
Step by Step Solution
- Step 1: Write the proportion equation
2,072,925.92 : 2,859,115.05 = 1,373,942.60 : x - Step 2: Convert to fraction form
2,072,925.92/2,859,115.05 = 1,373,942.60/x - Step 3: Cross multiply
2,072,925.92x = 2,859,115.05 × 1,373,942.60 - Step 4: Simplify right side
2,072,925.92x = 3,928,259,965,496.13 - Step 5: Solve for x
x = 3,928,259,965,496.13/2,072,925.92 - Step 6: Final answer
x = 1,895,031.52
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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.