Finding the Fourth Proportional to 3,838,984.21, 5,754,047.16 and 1,441,299.55
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Solution
The fourth proportional to 3,838,984.21, 5,754,047.16 and 1,441,299.55 is: 2,160,286.45
Step by Step Solution
- Step 1: Write the proportion equation
3,838,984.21 : 5,754,047.16 = 1,441,299.55 : x - Step 2: Convert to fraction form
3,838,984.21/5,754,047.16 = 1,441,299.55/x - Step 3: Cross multiply
3,838,984.21x = 5,754,047.16 × 1,441,299.55 - Step 4: Simplify right side
3,838,984.21x = 8,293,305,582,386.78 - Step 5: Solve for x
x = 8,293,305,582,386.78/3,838,984.21 - Step 6: Final answer
x = 2,160,286.45
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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.