Finding the Fourth Proportional to 1,632,391.40, 2,448,592.79 and 495,163.40
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Solution
The fourth proportional to 1,632,391.40, 2,448,592.79 and 495,163.40 is: 742,746.82
Step by Step Solution
- Step 1: Write the proportion equation
1,632,391.40 : 2,448,592.79 = 495,163.40 : x - Step 2: Convert to fraction form
1,632,391.40/2,448,592.79 = 495,163.40/x - Step 3: Cross multiply
1,632,391.40x = 2,448,592.79 × 495,163.40 - Step 4: Simplify right side
1,632,391.40x = 1,212,453,519,178.40 - Step 5: Solve for x
x = 1,212,453,519,178.40/1,632,391.40 - Step 6: Final answer
x = 742,746.82
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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.