Finding the Fourth Proportional to 3,649,849.47, 5,036,721.08 and 2,018,315.07
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Solution
The fourth proportional to 3,649,849.47, 5,036,721.08 and 2,018,315.07 is: 2,785,235.43
Step by Step Solution
- Step 1: Write the proportion equation
3,649,849.47 : 5,036,721.08 = 2,018,315.07 : x - Step 2: Convert to fraction form
3,649,849.47/5,036,721.08 = 2,018,315.07/x - Step 3: Cross multiply
3,649,849.47x = 5,036,721.08 × 2,018,315.07 - Step 4: Simplify right side
3,649,849.47x = 10,165,690,049,059.10 - Step 5: Solve for x
x = 10,165,690,049,059.10/3,649,849.47 - Step 6: Final answer
x = 2,785,235.43
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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.