Finding the Fourth Proportional to 3,455,264.75, 4,768,232.79 and 1,906,540.43
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Solution
The fourth proportional to 3,455,264.75, 4,768,232.79 and 1,906,540.43 is: 2,631,007.82
Step by Step Solution
- Step 1: Write the proportion equation
3,455,264.75 : 4,768,232.79 = 1,906,540.43 : x - Step 2: Convert to fraction form
3,455,264.75/4,768,232.79 = 1,906,540.43/x - Step 3: Cross multiply
3,455,264.75x = 4,768,232.79 × 1,906,540.43 - Step 4: Simplify right side
3,455,264.75x = 9,090,828,569,945.54 - Step 5: Solve for x
x = 9,090,828,569,945.54/3,455,264.75 - Step 6: Final answer
x = 2,631,007.82
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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.