Finding the Fourth Proportional to 3,639,490.22, 5,459,934.90 and 1,395,453.26
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Solution
The fourth proportional to 3,639,490.22, 5,459,934.90 and 1,395,453.26 is: 2,093,448.12
Step by Step Solution
- Step 1: Write the proportion equation
3,639,490.22 : 5,459,934.90 = 1,395,453.26 : x - Step 2: Convert to fraction form
3,639,490.22/5,459,934.90 = 1,395,453.26/x - Step 3: Cross multiply
3,639,490.22x = 5,459,934.90 × 1,395,453.26 - Step 4: Simplify right side
3,639,490.22x = 7,619,083,955,592.78 - Step 5: Solve for x
x = 7,619,083,955,592.78/3,639,490.22 - Step 6: Final answer
x = 2,093,448.12
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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.