Finding the Fourth Proportional to 4,954,167.20, 7,431,250.80 and 2,828,403.20
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Solution
The fourth proportional to 4,954,167.20, 7,431,250.80 and 2,828,403.20 is: 4,242,604.80
Step by Step Solution
- Step 1: Write the proportion equation
4,954,167.20 : 7,431,250.80 = 2,828,403.20 : x - Step 2: Convert to fraction form
4,954,167.20/7,431,250.80 = 2,828,403.20/x - Step 3: Cross multiply
4,954,167.20x = 7,431,250.80 × 2,828,403.20 - Step 4: Simplify right side
4,954,167.20x = 21,018,573,542,722.56 - Step 5: Solve for x
x = 21,018,573,542,722.56/4,954,167.20 - Step 6: Final answer
x = 4,242,604.80
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1.5x scale
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.