Finding the Fourth Proportional to 3,952,257.68, 5,454,119.20 and 2,141,421.68
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Solution
The fourth proportional to 3,952,257.68, 5,454,119.20 and 2,141,421.68 is: 2,955,163.87
Step by Step Solution
- Step 1: Write the proportion equation
3,952,257.68 : 5,454,119.20 = 2,141,421.68 : x - Step 2: Convert to fraction form
3,952,257.68/5,454,119.20 = 2,141,421.68/x - Step 3: Cross multiply
3,952,257.68x = 5,454,119.20 × 2,141,421.68 - Step 4: Simplify right side
3,952,257.68x = 11,679,569,100,184.26 - Step 5: Solve for x
x = 11,679,569,100,184.26/3,952,257.68 - Step 6: Final answer
x = 2,955,163.87
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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.