Finding the Fourth Proportional to 3,168,563.20, 4,372,618.39 and 1,718,258.25
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Solution
The fourth proportional to 3,168,563.20, 4,372,618.39 and 1,718,258.25 is: 2,371,197.02
Step by Step Solution
- Step 1: Write the proportion equation
3,168,563.20 : 4,372,618.39 = 1,718,258.25 : x - Step 2: Convert to fraction form
3,168,563.20/4,372,618.39 = 1,718,258.25/x - Step 3: Cross multiply
3,168,563.20x = 4,372,618.39 × 1,718,258.25 - Step 4: Simplify right side
3,168,563.20x = 7,513,287,622,719.22 - Step 5: Solve for x
x = 7,513,287,622,719.22/3,168,563.20 - Step 6: Final answer
x = 2,371,197.02
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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.