Finding the Fourth Proportional to 3,553,896.96, 5,330,861.04 and 1,125,062.16
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Solution
The fourth proportional to 3,553,896.96, 5,330,861.04 and 1,125,062.16 is: 1,687,598.18
Step by Step Solution
- Step 1: Write the proportion equation
3,553,896.96 : 5,330,861.04 = 1,125,062.16 : x - Step 2: Convert to fraction form
3,553,896.96/5,330,861.04 = 1,125,062.16/x - Step 3: Cross multiply
3,553,896.96x = 5,330,861.04 × 1,125,062.16 - Step 4: Simplify right side
3,553,896.96x = 5,997,550,036,322.25 - Step 5: Solve for x
x = 5,997,550,036,322.25/3,553,896.96 - Step 6: Final answer
x = 1,687,598.18
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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.