Finding the Fourth Proportional to 5,204,392.70, 7,181,907.67 and 2,881,388.75
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Solution
The fourth proportional to 5,204,392.70, 7,181,907.67 and 2,881,388.75 is: 3,976,231.07
Step by Step Solution
- Step 1: Write the proportion equation
5,204,392.70 : 7,181,907.67 = 2,881,388.75 : x - Step 2: Convert to fraction form
5,204,392.70/7,181,907.67 = 2,881,388.75/x - Step 3: Cross multiply
5,204,392.70x = 7,181,907.67 × 2,881,388.75 - Step 4: Simplify right side
5,204,392.70x = 20,693,867,963,876.71 - Step 5: Solve for x
x = 20,693,867,963,876.71/5,204,392.70 - Step 6: Final answer
x = 3,976,231.07
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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.