Finding the Fourth Proportional to 5,204,414.91, 7,801,985.49 and 2,470,275.52
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Solution
The fourth proportional to 5,204,414.91, 7,801,985.49 and 2,470,275.52 is: 3,703,212.39
Step by Step Solution
- Step 1: Write the proportion equation
5,204,414.91 : 7,801,985.49 = 2,470,275.52 : x - Step 2: Convert to fraction form
5,204,414.91/7,801,985.49 = 2,470,275.52/x - Step 3: Cross multiply
5,204,414.91x = 7,801,985.49 × 2,470,275.52 - Step 4: Simplify right side
5,204,414.91x = 19,273,053,763,342.21 - Step 5: Solve for x
x = 19,273,053,763,342.21/5,204,414.91 - Step 6: Final answer
x = 3,703,212.39
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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.