Finding the Fourth Proportional to 5,052,727.72, 7,579,151.70 and 1,409,236.12
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Solution
The fourth proportional to 5,052,727.72, 7,579,151.70 and 1,409,236.12 is: 2,113,870.95
Step by Step Solution
- Step 1: Write the proportion equation
5,052,727.72 : 7,579,151.70 = 1,409,236.12 : x - Step 2: Convert to fraction form
5,052,727.72/7,579,151.70 = 1,409,236.12/x - Step 3: Cross multiply
5,052,727.72x = 7,579,151.70 × 1,409,236.12 - Step 4: Simplify right side
5,052,727.72x = 10,680,814,334,599.40 - Step 5: Solve for x
x = 10,680,814,334,599.40/5,052,727.72 - Step 6: Final answer
x = 2,113,870.95
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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.