Finding the Fourth Proportional to 5,435,540.41, 7,501,188.74 and 2,988,213.09
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Solution
The fourth proportional to 5,435,540.41, 7,501,188.74 and 2,988,213.09 is: 4,123,812.66
Step by Step Solution
- Step 1: Write the proportion equation
5,435,540.41 : 7,501,188.74 = 2,988,213.09 : x - Step 2: Convert to fraction form
5,435,540.41/7,501,188.74 = 2,988,213.09/x - Step 3: Cross multiply
5,435,540.41x = 7,501,188.74 × 2,988,213.09 - Step 4: Simplify right side
5,435,540.41x = 22,415,150,362,484.73 - Step 5: Solve for x
x = 22,415,150,362,484.73/5,435,540.41 - Step 6: Final answer
x = 4,123,812.66
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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.