Finding the Fourth Proportional to 4,242,846.78, 5,855,745.62 and 2,382,471.13
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Solution
The fourth proportional to 4,242,846.78, 5,855,745.62 and 2,382,471.13 is: 3,288,156.66
Step by Step Solution
- Step 1: Write the proportion equation
4,242,846.78 : 5,855,745.62 = 2,382,471.13 : x - Step 2: Convert to fraction form
4,242,846.78/5,855,745.62 = 2,382,471.13/x - Step 3: Cross multiply
4,242,846.78x = 5,855,745.62 × 2,382,471.13 - Step 4: Simplify right side
4,242,846.78x = 13,951,144,884,273.95 - Step 5: Solve for x
x = 13,951,144,884,273.95/4,242,846.78 - Step 6: Final answer
x = 3,288,156.66
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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.