Finding the Fourth Proportional to 3,927,218.40, 5,419,467.36 and 2,569,062.24
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Solution
The fourth proportional to 3,927,218.40, 5,419,467.36 and 2,569,062.24 is: 3,545,244.38
Step by Step Solution
- Step 1: Write the proportion equation
3,927,218.40 : 5,419,467.36 = 2,569,062.24 : x - Step 2: Convert to fraction form
3,927,218.40/5,419,467.36 = 2,569,062.24/x - Step 3: Cross multiply
3,927,218.40x = 5,419,467.36 × 2,569,062.24 - Step 4: Simplify right side
3,927,218.40x = 13,922,948,955,488.49 - Step 5: Solve for x
x = 13,922,948,955,488.49/3,927,218.40 - Step 6: Final answer
x = 3,545,244.38
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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.