Finding the Fourth Proportional to 3,759,243.48, 5,187,700.08 and 2,127,960.18
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Solution
The fourth proportional to 3,759,243.48, 5,187,700.08 and 2,127,960.18 is: 2,936,553.39
Step by Step Solution
- Step 1: Write the proportion equation
3,759,243.48 : 5,187,700.08 = 2,127,960.18 : x - Step 2: Convert to fraction form
3,759,243.48/5,187,700.08 = 2,127,960.18/x - Step 3: Cross multiply
3,759,243.48x = 5,187,700.08 × 2,127,960.18 - Step 4: Simplify right side
3,759,243.48x = 11,039,219,196,022.81 - Step 5: Solve for x
x = 11,039,219,196,022.81/3,759,243.48 - Step 6: Final answer
x = 2,936,553.39
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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.