Finding the Fourth Proportional to 3,968,007.19, 5,475,893.67 and 2,157,171.19
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Solution
The fourth proportional to 3,968,007.19, 5,475,893.67 and 2,157,171.19 is: 2,976,920.02
Step by Step Solution
- Step 1: Write the proportion equation
3,968,007.19 : 5,475,893.67 = 2,157,171.19 : x - Step 2: Convert to fraction form
3,968,007.19/5,475,893.67 = 2,157,171.19/x - Step 3: Cross multiply
3,968,007.19x = 5,475,893.67 × 2,157,171.19 - Step 4: Simplify right side
3,968,007.19x = 11,812,440,050,737.63 - Step 5: Solve for x
x = 11,812,440,050,737.63/3,968,007.19 - Step 6: Final answer
x = 2,976,920.02
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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.