Finding the Fourth Proportional to 3,195,992.79, 4,410,465.12 and 1,745,688.24
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Solution
The fourth proportional to 3,195,992.79, 4,410,465.12 and 1,745,688.24 is: 2,409,047.08
Step by Step Solution
- Step 1: Write the proportion equation
3,195,992.79 : 4,410,465.12 = 1,745,688.24 : x - Step 2: Convert to fraction form
3,195,992.79/4,410,465.12 = 1,745,688.24/x - Step 3: Cross multiply
3,195,992.79x = 4,410,465.12 × 1,745,688.24 - Step 4: Simplify right side
3,195,992.79x = 7,699,297,092,914.19 - Step 5: Solve for x
x = 7,699,297,092,914.19/3,195,992.79 - Step 6: Final answer
x = 2,409,047.08
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1.5x scale
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.