Finding the Fourth Proportional to 3,896,167.11, 5,376,717.90 and 2,177,287.63
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Solution
The fourth proportional to 3,896,167.11, 5,376,717.90 and 2,177,287.63 is: 3,004,661.00
Step by Step Solution
- Step 1: Write the proportion equation
3,896,167.11 : 5,376,717.90 = 2,177,287.63 : x - Step 2: Convert to fraction form
3,896,167.11/5,376,717.90 = 2,177,287.63/x - Step 3: Cross multiply
3,896,167.11x = 5,376,717.90 × 2,177,287.63 - Step 4: Simplify right side
3,896,167.11x = 11,706,661,360,227.78 - Step 5: Solve for x
x = 11,706,661,360,227.78/3,896,167.11 - Step 6: Final answer
x = 3,004,661.00
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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.