Finding the Fourth Proportional to 1,914,683.18, 2,642,228.57 and 1,043,525.75
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Solution
The fourth proportional to 1,914,683.18, 2,642,228.57 and 1,043,525.75 is: 1,440,046.88
Step by Step Solution
- Step 1: Write the proportion equation
1,914,683.18 : 2,642,228.57 = 1,043,525.75 : x - Step 2: Convert to fraction form
1,914,683.18/2,642,228.57 = 1,043,525.75/x - Step 3: Cross multiply
1,914,683.18x = 2,642,228.57 × 1,043,525.75 - Step 4: Simplify right side
1,914,683.18x = 2,757,233,539,578.35 - Step 5: Solve for x
x = 2,757,233,539,578.35/1,914,683.18 - Step 6: Final answer
x = 1,440,046.88
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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.