Finding the Fourth Proportional to 1,891,244.40, 2,837,125.80 and 628,940.40
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Solution
The fourth proportional to 1,891,244.40, 2,837,125.80 and 628,940.40 is: 943,496.80
Step by Step Solution
- Step 1: Write the proportion equation
1,891,244.40 : 2,837,125.80 = 628,940.40 : x - Step 2: Convert to fraction form
1,891,244.40/2,837,125.80 = 628,940.40/x - Step 3: Cross multiply
1,891,244.40x = 2,837,125.80 × 628,940.40 - Step 4: Simplify right side
1,891,244.40x = 1,784,383,035,502.32 - Step 5: Solve for x
x = 1,784,383,035,502.32/1,891,244.40 - Step 6: Final answer
x = 943,496.80
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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.