Finding the Fourth Proportional to 4,190,959.84, 5,784,940.56 and 2,722,876.96
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Solution
The fourth proportional to 4,190,959.84, 5,784,940.56 and 2,722,876.96 is: 3,758,490.17
Step by Step Solution
- Step 1: Write the proportion equation
4,190,959.84 : 5,784,940.56 = 2,722,876.96 : x - Step 2: Convert to fraction form
4,190,959.84/5,784,940.56 = 2,722,876.96/x - Step 3: Cross multiply
4,190,959.84x = 5,784,940.56 × 2,722,876.96 - Step 4: Simplify right side
4,190,959.84x = 15,751,681,365,793.50 - Step 5: Solve for x
x = 15,751,681,365,793.50/4,190,959.84 - Step 6: Final answer
x = 3,758,490.17
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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.