Finding the Fourth Proportional to 5,542,268.58, 7,646,154.57 and 3,218,765.58
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Solution
The fourth proportional to 5,542,268.58, 7,646,154.57 and 3,218,765.58 is: 4,440,632.71
Step by Step Solution
- Step 1: Write the proportion equation
5,542,268.58 : 7,646,154.57 = 3,218,765.58 : x - Step 2: Convert to fraction form
5,542,268.58/7,646,154.57 = 3,218,765.58/x - Step 3: Cross multiply
5,542,268.58x = 7,646,154.57 × 3,218,765.58 - Step 4: Simplify right side
5,542,268.58x = 24,611,179,149,275.70 - Step 5: Solve for x
x = 24,611,179,149,275.70/5,542,268.58 - Step 6: Final answer
x = 4,440,632.71
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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.