Finding the Fourth Proportional to 5,902,246.20, 8,853,369.30 and 2,119,999.80
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Solution
The fourth proportional to 5,902,246.20, 8,853,369.30 and 2,119,999.80 is: 3,179,999.70
Step by Step Solution
- Step 1: Write the proportion equation
5,902,246.20 : 8,853,369.30 = 2,119,999.80 : x - Step 2: Convert to fraction form
5,902,246.20/8,853,369.30 = 2,119,999.80/x - Step 3: Cross multiply
5,902,246.20x = 8,853,369.30 × 2,119,999.80 - Step 4: Simplify right side
5,902,246.20x = 18,769,141,145,326.14 - Step 5: Solve for x
x = 18,769,141,145,326.14/5,902,246.20 - Step 6: Final answer
x = 3,179,999.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.