Finding the Fourth Proportional to 2,192,347.94, 3,025,386.79 and 1,225,591.88
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Solution
The fourth proportional to 2,192,347.94, 3,025,386.79 and 1,225,591.88 is: 1,691,286.96
Step by Step Solution
- Step 1: Write the proportion equation
2,192,347.94 : 3,025,386.79 = 1,225,591.88 : x - Step 2: Convert to fraction form
2,192,347.94/3,025,386.79 = 1,225,591.88/x - Step 3: Cross multiply
2,192,347.94x = 3,025,386.79 × 1,225,591.88 - Step 4: Simplify right side
2,192,347.94x = 3,707,889,465,492.35 - Step 5: Solve for x
x = 3,707,889,465,492.35/2,192,347.94 - Step 6: Final answer
x = 1,691,286.96
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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.