Finding the Fourth Proportional to 3,571,243.93, 4,928,330.66 and 1,939,678.48
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Solution
The fourth proportional to 3,571,243.93, 4,928,330.66 and 1,939,678.48 is: 2,676,763.92
Step by Step Solution
- Step 1: Write the proportion equation
3,571,243.93 : 4,928,330.66 = 1,939,678.48 : x - Step 2: Convert to fraction form
3,571,243.93/4,928,330.66 = 1,939,678.48/x - Step 3: Cross multiply
3,571,243.93x = 4,928,330.66 × 1,939,678.48 - Step 4: Simplify right side
3,571,243.93x = 9,559,376,889,186.15 - Step 5: Solve for x
x = 9,559,376,889,186.15/3,571,243.93 - Step 6: Final answer
x = 2,676,763.92
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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.