Finding the Fourth Proportional to 3,639,292.26, 5,021,320.44 and 2,398,765.14
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Solution
The fourth proportional to 3,639,292.26, 5,021,320.44 and 2,398,765.14 is: 3,309,700.78
Step by Step Solution
- Step 1: Write the proportion equation
3,639,292.26 : 5,021,320.44 = 2,398,765.14 : x - Step 2: Convert to fraction form
3,639,292.26/5,021,320.44 = 2,398,765.14/x - Step 3: Cross multiply
3,639,292.26x = 5,021,320.44 × 2,398,765.14 - Step 4: Simplify right side
3,639,292.26x = 12,044,968,428,241.46 - Step 5: Solve for x
x = 12,044,968,428,241.46/3,639,292.26 - Step 6: Final answer
x = 3,309,700.78
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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.