Finding the Fourth Proportional to 1,350,723.36, 2,026,177.38 and 452,128.80
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Solution
The fourth proportional to 1,350,723.36, 2,026,177.38 and 452,128.80 is: 678,224.11
Step by Step Solution
- Step 1: Write the proportion equation
1,350,723.36 : 2,026,177.38 = 452,128.80 : x - Step 2: Convert to fraction form
1,350,723.36/2,026,177.38 = 452,128.80/x - Step 3: Cross multiply
1,350,723.36x = 2,026,177.38 × 452,128.80 - Step 4: Simplify right side
1,350,723.36x = 916,093,147,406.54 - Step 5: Solve for x
x = 916,093,147,406.54/1,350,723.36 - Step 6: Final answer
x = 678,224.11
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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.