Finding the Fourth Proportional to 1,373,047.80, 2,059,571.70 and 626,551.80
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Solution
The fourth proportional to 1,373,047.80, 2,059,571.70 and 626,551.80 is: 939,827.70
Step by Step Solution
- Step 1: Write the proportion equation
1,373,047.80 : 2,059,571.70 = 626,551.80 : x - Step 2: Convert to fraction form
1,373,047.80/2,059,571.70 = 626,551.80/x - Step 3: Cross multiply
1,373,047.80x = 2,059,571.70 × 626,551.80 - Step 4: Simplify right side
1,373,047.80x = 1,290,428,355,864.06 - Step 5: Solve for x
x = 1,290,428,355,864.06/1,373,047.80 - Step 6: Final answer
x = 939,827.70
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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.