Finding the Fourth Proportional to 5,077,672.23, 7,007,187.63 and 2,902,262.12
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Solution
The fourth proportional to 5,077,672.23, 7,007,187.63 and 2,902,262.12 is: 4,005,121.70
Step by Step Solution
- Step 1: Write the proportion equation
5,077,672.23 : 7,007,187.63 = 2,902,262.12 : x - Step 2: Convert to fraction form
5,077,672.23/7,007,187.63 = 2,902,262.12/x - Step 3: Cross multiply
5,077,672.23x = 7,007,187.63 × 2,902,262.12 - Step 4: Simplify right side
5,077,672.23x = 20,336,695,226,281.57 - Step 5: Solve for x
x = 20,336,695,226,281.57/5,077,672.23 - Step 6: Final answer
x = 4,005,121.70
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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.