Finding the Fourth Proportional to 5,398,467.94, 7,449,887.28 and 2,951,089.66
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Solution
The fourth proportional to 5,398,467.94, 7,449,887.28 and 2,951,089.66 is: 4,072,504.56
Step by Step Solution
- Step 1: Write the proportion equation
5,398,467.94 : 7,449,887.28 = 2,951,089.66 : x - Step 2: Convert to fraction form
5,398,467.94/7,449,887.28 = 2,951,089.66/x - Step 3: Cross multiply
5,398,467.94x = 7,449,887.28 × 2,951,089.66 - Step 4: Simplify right side
5,398,467.94x = 21,985,285,320,173.53 - Step 5: Solve for x
x = 21,985,285,320,173.53/5,398,467.94 - Step 6: Final answer
x = 4,072,504.56
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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.