Finding the Fourth Proportional to 6,268,047.68, 9,402,073.60 and 1,719,143.84
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Solution
The fourth proportional to 6,268,047.68, 9,402,073.60 and 1,719,143.84 is: 2,578,716.33
Step by Step Solution
- Step 1: Write the proportion equation
6,268,047.68 : 9,402,073.60 = 1,719,143.84 : x - Step 2: Convert to fraction form
6,268,047.68/9,402,073.60 = 1,719,143.84/x - Step 3: Cross multiply
6,268,047.68x = 9,402,073.60 × 1,719,143.84 - Step 4: Simplify right side
6,268,047.68x = 16,163,516,912,666.62 - Step 5: Solve for x
x = 16,163,516,912,666.62/6,268,047.68 - Step 6: Final answer
x = 2,578,716.33
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1.5x scale
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.