Finding the Fourth Proportional to 3,420,618.56, 5,129,411.52 and 1,822,883.84
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Solution
The fourth proportional to 3,420,618.56, 5,129,411.52 and 1,822,883.84 is: 2,733,517.70
Step by Step Solution
- Step 1: Write the proportion equation
3,420,618.56 : 5,129,411.52 = 1,822,883.84 : x - Step 2: Convert to fraction form
3,420,618.56/5,129,411.52 = 1,822,883.84/x - Step 3: Cross multiply
3,420,618.56x = 5,129,411.52 × 1,822,883.84 - Step 4: Simplify right side
3,420,618.56x = 9,350,321,368,517.84 - Step 5: Solve for x
x = 9,350,321,368,517.84/3,420,618.56 - Step 6: Final answer
x = 2,733,517.70
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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.