Finding the Fourth Proportional to 1,611,907.21, 2,224,344.09 and 886,637.84
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Solution
The fourth proportional to 1,611,907.21, 2,224,344.09 and 886,637.84 is: 1,223,511.89
Step by Step Solution
- Step 1: Write the proportion equation
1,611,907.21 : 2,224,344.09 = 886,637.84 : x - Step 2: Convert to fraction form
1,611,907.21/2,224,344.09 = 886,637.84/x - Step 3: Cross multiply
1,611,907.21x = 2,224,344.09 × 886,637.84 - Step 4: Simplify right side
1,611,907.21x = 1,972,187,639,374.37 - Step 5: Solve for x
x = 1,972,187,639,374.37/1,611,907.21 - Step 6: Final answer
x = 1,223,511.89
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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.