Finding the Fourth Proportional to 5,641,480.91, 7,785,025.32 and 3,063,102.68
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Solution
The fourth proportional to 5,641,480.91, 7,785,025.32 and 3,063,102.68 is: 4,226,963.15
Step by Step Solution
- Step 1: Write the proportion equation
5,641,480.91 : 7,785,025.32 = 3,063,102.68 : x - Step 2: Convert to fraction form
5,641,480.91/7,785,025.32 = 3,063,102.68/x - Step 3: Cross multiply
5,641,480.91x = 7,785,025.32 × 3,063,102.68 - Step 4: Simplify right side
5,641,480.91x = 23,846,331,952,509.06 - Step 5: Solve for x
x = 23,846,331,952,509.06/5,641,480.91 - Step 6: Final answer
x = 4,226,963.15
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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.