Finding the Fourth Proportional to 5,433,436.44, 7,497,655.38 and 2,986,019.28
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Solution
The fourth proportional to 5,433,436.44, 7,497,655.38 and 2,986,019.28 is: 4,120,439.02
Step by Step Solution
- Step 1: Write the proportion equation
5,433,436.44 : 7,497,655.38 = 2,986,019.28 : x - Step 2: Convert to fraction form
5,433,436.44/7,497,655.38 = 2,986,019.28/x - Step 3: Cross multiply
5,433,436.44x = 7,497,655.38 × 2,986,019.28 - Step 4: Simplify right side
5,433,436.44x = 22,388,143,519,475.72 - Step 5: Solve for x
x = 22,388,143,519,475.72/5,433,436.44 - Step 6: Final answer
x = 4,120,439.02
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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.