Finding the Fourth Proportional to 3,763,963.79, 5,642,771.76 and 1,632,442.49
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Solution
The fourth proportional to 3,763,963.79, 5,642,771.76 and 1,632,442.49 is: 2,447,287.19
Step by Step Solution
- Step 1: Write the proportion equation
3,763,963.79 : 5,642,771.76 = 1,632,442.49 : x - Step 2: Convert to fraction form
3,763,963.79/5,642,771.76 = 1,632,442.49/x - Step 3: Cross multiply
3,763,963.79x = 5,642,771.76 × 1,632,442.49 - Step 4: Simplify right side
3,763,963.79x = 9,211,500,354,182.23 - Step 5: Solve for x
x = 9,211,500,354,182.23/3,763,963.79 - Step 6: Final answer
x = 2,447,287.19
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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.