Finding the Fourth Proportional to 5,720,719.59, 7,892,665.79 and 3,239,600.49
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Solution
The fourth proportional to 5,720,719.59, 7,892,665.79 and 3,239,600.49 is: 4,469,557.29
Step by Step Solution
- Step 1: Write the proportion equation
5,720,719.59 : 7,892,665.79 = 3,239,600.49 : x - Step 2: Convert to fraction form
5,720,719.59/7,892,665.79 = 3,239,600.49/x - Step 3: Cross multiply
5,720,719.59x = 7,892,665.79 × 3,239,600.49 - Step 4: Simplify right side
5,720,719.59x = 25,569,083,944,492.24 - Step 5: Solve for x
x = 25,569,083,944,492.24/5,720,719.59 - Step 6: Final answer
x = 4,469,557.29
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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.