Finding the Fourth Proportional to 5,720,719.09, 7,892,665.09 and 3,239,599.99
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Solution
The fourth proportional to 5,720,719.09, 7,892,665.09 and 3,239,599.99 is: 4,469,556.60
Step by Step Solution
- Step 1: Write the proportion equation
5,720,719.09 : 7,892,665.09 = 3,239,599.99 : x - Step 2: Convert to fraction form
5,720,719.09/7,892,665.09 = 3,239,599.99/x - Step 3: Cross multiply
5,720,719.09x = 7,892,665.09 × 3,239,599.99 - Step 4: Simplify right side
5,720,719.09x = 25,569,077,746,637.35 - Step 5: Solve for x
x = 25,569,077,746,637.35/5,720,719.09 - Step 6: Final answer
x = 4,469,556.60
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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.