Finding the Fourth Proportional to 2,018,243.97, 2,785,851.59 and 1,202,703.39
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Solution
The fourth proportional to 2,018,243.97, 2,785,851.59 and 1,202,703.39 is: 1,660,132.87
Step by Step Solution
- Step 1: Write the proportion equation
2,018,243.97 : 2,785,851.59 = 1,202,703.39 : x - Step 2: Convert to fraction form
2,018,243.97/2,785,851.59 = 1,202,703.39/x - Step 3: Cross multiply
2,018,243.97x = 2,785,851.59 × 1,202,703.39 - Step 4: Simplify right side
2,018,243.97x = 3,350,553,145,316.37 - Step 5: Solve for x
x = 3,350,553,145,316.37/2,018,243.97 - Step 6: Final answer
x = 1,660,132.87
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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.