Finding the Fourth Proportional to 3,554,611.29, 4,905,341.37 and 1,923,012.09
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Solution
The fourth proportional to 3,554,611.29, 4,905,341.37 and 1,923,012.09 is: 2,653,744.67
Step by Step Solution
- Step 1: Write the proportion equation
3,554,611.29 : 4,905,341.37 = 1,923,012.09 : x - Step 2: Convert to fraction form
3,554,611.29/4,905,341.37 = 1,923,012.09/x - Step 3: Cross multiply
3,554,611.29x = 4,905,341.37 × 1,923,012.09 - Step 4: Simplify right side
3,554,611.29x = 9,433,030,760,087.16 - Step 5: Solve for x
x = 9,433,030,760,087.16/3,554,611.29 - Step 6: Final answer
x = 2,653,744.67
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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.