Finding the Fourth Proportional to 1,628,447.08, 2,247,258.90 and 949,514.80
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Solution
The fourth proportional to 1,628,447.08, 2,247,258.90 and 949,514.80 is: 1,310,331.55
Step by Step Solution
- Step 1: Write the proportion equation
1,628,447.08 : 2,247,258.90 = 949,514.80 : x - Step 2: Convert to fraction form
1,628,447.08/2,247,258.90 = 949,514.80/x - Step 3: Cross multiply
1,628,447.08x = 2,247,258.90 × 949,514.80 - Step 4: Simplify right side
1,628,447.08x = 2,133,805,584,981.72 - Step 5: Solve for x
x = 2,133,805,584,981.72/1,628,447.08 - Step 6: Final answer
x = 1,310,331.55
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1.5x scale
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.