Finding the Fourth Proportional to 4,922,551.24, 6,793,081.20 and 2,857,758.40
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Solution
The fourth proportional to 4,922,551.24, 6,793,081.20 and 2,857,758.40 is: 3,943,683.65
Step by Step Solution
- Step 1: Write the proportion equation
4,922,551.24 : 6,793,081.20 = 2,857,758.40 : x - Step 2: Convert to fraction form
4,922,551.24/6,793,081.20 = 2,857,758.40/x - Step 3: Cross multiply
4,922,551.24x = 6,793,081.20 × 2,857,758.40 - Step 4: Simplify right side
4,922,551.24x = 19,412,984,861,182.08 - Step 5: Solve for x
x = 19,412,984,861,182.08/4,922,551.24 - Step 6: Final answer
x = 3,943,683.65
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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.