Finding the Fourth Proportional to 3,639,040.84, 5,021,795.94 and 2,007,449.48
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Solution
The fourth proportional to 3,639,040.84, 5,021,795.94 and 2,007,449.48 is: 2,770,235.92
Step by Step Solution
- Step 1: Write the proportion equation
3,639,040.84 : 5,021,795.94 = 2,007,449.48 : x - Step 2: Convert to fraction form
3,639,040.84/5,021,795.94 = 2,007,449.48/x - Step 3: Cross multiply
3,639,040.84x = 5,021,795.94 × 2,007,449.48 - Step 4: Simplify right side
3,639,040.84x = 10,081,001,648,419.11 - Step 5: Solve for x
x = 10,081,001,648,419.11/3,639,040.84 - Step 6: Final answer
x = 2,770,235.92
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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.