Finding the Fourth Proportional to 2,947,422.33, 4,067,441.83 and 1,640,645.99
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Solution
The fourth proportional to 2,947,422.33, 4,067,441.83 and 1,640,645.99 is: 2,264,090.92
Step by Step Solution
- Step 1: Write the proportion equation
2,947,422.33 : 4,067,441.83 = 1,640,645.99 : x - Step 2: Convert to fraction form
2,947,422.33/4,067,441.83 = 1,640,645.99/x - Step 3: Cross multiply
2,947,422.33x = 4,067,441.83 × 1,640,645.99 - Step 4: Simplify right side
2,947,422.33x = 6,673,232,124,914.27 - Step 5: Solve for x
x = 6,673,232,124,914.27/2,947,422.33 - Step 6: Final answer
x = 2,264,090.92
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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.