Finding the Fourth Proportional to 4,641,369.39, 6,963,479.28 and 2,215,618.05
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Solution
The fourth proportional to 4,641,369.39, 6,963,479.28 and 2,215,618.05 is: 3,324,107.41
Step by Step Solution
- Step 1: Write the proportion equation
4,641,369.39 : 6,963,479.28 = 2,215,618.05 : x - Step 2: Convert to fraction form
4,641,369.39/6,963,479.28 = 2,215,618.05/x - Step 3: Cross multiply
4,641,369.39x = 6,963,479.28 × 2,215,618.05 - Step 4: Simplify right side
4,641,369.39x = 15,428,410,383,569.00 - Step 5: Solve for x
x = 15,428,410,383,569.00/4,641,369.39 - Step 6: Final answer
x = 3,324,107.41
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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.