Finding the Fourth Proportional to 3,169,409.94, 4,373,753.56 and 1,719,074.23
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Solution
The fourth proportional to 3,169,409.94, 4,373,753.56 and 1,719,074.23 is: 2,372,304.99
Step by Step Solution
- Step 1: Write the proportion equation
3,169,409.94 : 4,373,753.56 = 1,719,074.23 : x - Step 2: Convert to fraction form
3,169,409.94/4,373,753.56 = 1,719,074.23/x - Step 3: Cross multiply
3,169,409.94x = 4,373,753.56 × 1,719,074.23 - Step 4: Simplify right side
3,169,409.94x = 7,518,807,018,134.69 - Step 5: Solve for x
x = 7,518,807,018,134.69/3,169,409.94 - Step 6: Final answer
x = 2,372,304.99
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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.