Finding the Fourth Proportional to 4,190,213.36, 6,284,323.20 and 1,157,511.80
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Solution
The fourth proportional to 4,190,213.36, 6,284,323.20 and 1,157,511.80 is: 1,735,992.33
Step by Step Solution
- Step 1: Write the proportion equation
4,190,213.36 : 6,284,323.20 = 1,157,511.80 : x - Step 2: Convert to fraction form
4,190,213.36/6,284,323.20 = 1,157,511.80/x - Step 3: Cross multiply
4,190,213.36x = 6,284,323.20 × 1,157,511.80 - Step 4: Simplify right side
4,190,213.36x = 7,274,178,259,013.76 - Step 5: Solve for x
x = 7,274,178,259,013.76/4,190,213.36 - Step 6: Final answer
x = 1,735,992.33
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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.