Finding the Fourth Proportional to 6,132,136.08, 8,460,474.48 and 3,553,318.56
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Solution
The fourth proportional to 6,132,136.08, 8,460,474.48 and 3,553,318.56 is: 4,902,494.11
Step by Step Solution
- Step 1: Write the proportion equation
6,132,136.08 : 8,460,474.48 = 3,553,318.56 : x - Step 2: Convert to fraction form
6,132,136.08/8,460,474.48 = 3,553,318.56/x - Step 3: Cross multiply
6,132,136.08x = 8,460,474.48 × 3,553,318.56 - Step 4: Simplify right side
6,132,136.08x = 30,062,760,996,190.35 - Step 5: Solve for x
x = 30,062,760,996,190.35/6,132,136.08 - Step 6: Final answer
x = 4,902,494.11
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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.