Finding the Fourth Proportional to 4,438,490.31, 6,129,347.27 and 4,196,680.97
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Solution
The fourth proportional to 4,438,490.31, 6,129,347.27 and 4,196,680.97 is: 5,795,419.88
Step by Step Solution
- Step 1: Write the proportion equation
4,438,490.31 : 6,129,347.27 = 4,196,680.97 : x - Step 2: Convert to fraction form
4,438,490.31/6,129,347.27 = 4,196,680.97/x - Step 3: Cross multiply
4,438,490.31x = 6,129,347.27 × 4,196,680.97 - Step 4: Simplify right side
4,438,490.31x = 25,722,914,994,900.31 - Step 5: Solve for x
x = 25,722,914,994,900.31/4,438,490.31 - Step 6: Final answer
x = 5,795,419.88
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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.