Finding the Fourth Proportional to 3,823,553.64, 5,276,643.25 and 2,081,138.81
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Solution
The fourth proportional to 3,823,553.64, 5,276,643.25 and 2,081,138.81 is: 2,872,047.33
Step by Step Solution
- Step 1: Write the proportion equation
3,823,553.64 : 5,276,643.25 = 2,081,138.81 : x - Step 2: Convert to fraction form
3,823,553.64/5,276,643.25 = 2,081,138.81/x - Step 3: Cross multiply
3,823,553.64x = 5,276,643.25 × 2,081,138.81 - Step 4: Simplify right side
3,823,553.64x = 10,981,427,038,398.75 - Step 5: Solve for x
x = 10,981,427,038,398.75/3,823,553.64 - Step 6: Final answer
x = 2,872,047.33
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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.