Finding the Fourth Proportional to 5,403,322.44, 7,456,643.80 and 2,955,880.98
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Solution
The fourth proportional to 5,403,322.44, 7,456,643.80 and 2,955,880.98 is: 4,079,147.94
Step by Step Solution
- Step 1: Write the proportion equation
5,403,322.44 : 7,456,643.80 = 2,955,880.98 : x - Step 2: Convert to fraction form
5,403,322.44/7,456,643.80 = 2,955,880.98/x - Step 3: Cross multiply
5,403,322.44x = 7,456,643.80 × 2,955,880.98 - Step 4: Simplify right side
5,403,322.44x = 22,040,951,575,665.22 - Step 5: Solve for x
x = 22,040,951,575,665.22/5,403,322.44 - Step 6: Final answer
x = 4,079,147.94
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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.