Finding the Fourth Proportional to 2,989,662.36, 4,485,203.40 and 967,906.62
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Solution
The fourth proportional to 2,989,662.36, 4,485,203.40 and 967,906.62 is: 1,452,089.75
Step by Step Solution
- Step 1: Write the proportion equation
2,989,662.36 : 4,485,203.40 = 967,906.62 : x - Step 2: Convert to fraction form
2,989,662.36/4,485,203.40 = 967,906.62/x - Step 3: Cross multiply
2,989,662.36x = 4,485,203.40 × 967,906.62 - Step 4: Simplify right side
2,989,662.36x = 4,341,258,062,906.51 - Step 5: Solve for x
x = 4,341,258,062,906.51/2,989,662.36 - Step 6: Final answer
x = 1,452,089.75
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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.