Finding the Fourth Proportional to 3,818,166.26, 5,725,748.57 and 1,388,742.80
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Solution
The fourth proportional to 3,818,166.26, 5,725,748.57 and 1,388,742.80 is: 2,082,568.32
Step by Step Solution
- Step 1: Write the proportion equation
3,818,166.26 : 5,725,748.57 = 1,388,742.80 : x - Step 2: Convert to fraction form
3,818,166.26/5,725,748.57 = 1,388,742.80/x - Step 3: Cross multiply
3,818,166.26x = 5,725,748.57 × 1,388,742.80 - Step 4: Simplify right side
3,818,166.26x = 7,951,592,065,625.34 - Step 5: Solve for x
x = 7,951,592,065,625.34/3,818,166.26 - Step 6: Final answer
x = 2,082,568.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.