Finding the Fourth Proportional to 3,696,563.13, 5,099,128.25 and 2,225,448.42
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Solution
The fourth proportional to 3,696,563.13, 5,099,128.25 and 2,225,448.42 is: 3,069,837.17
Step by Step Solution
- Step 1: Write the proportion equation
3,696,563.13 : 5,099,128.25 = 2,225,448.42 : x - Step 2: Convert to fraction form
3,696,563.13/5,099,128.25 = 2,225,448.42/x - Step 3: Cross multiply
3,696,563.13x = 5,099,128.25 × 2,225,448.42 - Step 4: Simplify right side
3,696,563.13x = 11,347,846,896,212.62 - Step 5: Solve for x
x = 11,347,846,896,212.62/3,696,563.13 - Step 6: Final answer
x = 3,069,837.17
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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.