Finding the Fourth Proportional to 3,675,939.21, 5,509,822.74 and 2,774,457.81
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Solution
The fourth proportional to 3,675,939.21, 5,509,822.74 and 2,774,457.81 is: 4,158,602.70
Step by Step Solution
- Step 1: Write the proportion equation
3,675,939.21 : 5,509,822.74 = 2,774,457.81 : x - Step 2: Convert to fraction form
3,675,939.21/5,509,822.74 = 2,774,457.81/x - Step 3: Cross multiply
3,675,939.21x = 5,509,822.74 × 2,774,457.81 - Step 4: Simplify right side
3,675,939.21x = 15,286,770,732,708.60 - Step 5: Solve for x
x = 15,286,770,732,708.60/3,675,939.21 - Step 6: Final answer
x = 4,158,602.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.