Finding the Fourth Proportional to 2,018,608.93, 2,785,896.35 and 1,234,135.14
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Solution
The fourth proportional to 2,018,608.93, 2,785,896.35 and 1,234,135.14 is: 1,703,238.56
Step by Step Solution
- Step 1: Write the proportion equation
2,018,608.93 : 2,785,896.35 = 1,234,135.14 : x - Step 2: Convert to fraction form
2,018,608.93/2,785,896.35 = 1,234,135.14/x - Step 3: Cross multiply
2,018,608.93x = 2,785,896.35 × 1,234,135.14 - Step 4: Simplify right side
2,018,608.93x = 3,438,172,569,942.96 - Step 5: Solve for x
x = 3,438,172,569,942.96/2,018,608.93 - Step 6: Final answer
x = 1,703,238.56
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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.