Finding the Fourth Proportional to 5,194,406.36, 7,168,269.39 and 2,902,567.05
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Solution
The fourth proportional to 5,194,406.36, 7,168,269.39 and 2,902,567.05 is: 4,005,536.17
Step by Step Solution
- Step 1: Write the proportion equation
5,194,406.36 : 7,168,269.39 = 2,902,567.05 : x - Step 2: Convert to fraction form
5,194,406.36/7,168,269.39 = 2,902,567.05/x - Step 3: Cross multiply
5,194,406.36x = 7,168,269.39 × 2,902,567.05 - Step 4: Simplify right side
5,194,406.36x = 20,806,382,536,937.60 - Step 5: Solve for x
x = 20,806,382,536,937.60/5,194,406.36 - Step 6: Final answer
x = 4,005,536.17
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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.