Finding the Fourth Proportional to 3,817,120.44, 5,725,705.14 and 1,121,434.68
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Solution
The fourth proportional to 3,817,120.44, 5,725,705.14 and 1,121,434.68 is: 1,682,159.21
Step by Step Solution
- Step 1: Write the proportion equation
3,817,120.44 : 5,725,705.14 = 1,121,434.68 : x - Step 2: Convert to fraction form
3,817,120.44/5,725,705.14 = 1,121,434.68/x - Step 3: Cross multiply
3,817,120.44x = 5,725,705.14 × 1,121,434.68 - Step 4: Simplify right side
3,817,120.44x = 6,421,004,311,450.26 - Step 5: Solve for x
x = 6,421,004,311,450.26/3,817,120.44 - Step 6: Final answer
x = 1,682,159.21
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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.